{"id":"CVE-2023-2731","aliases":["ALSA-2023:6575","AZL-26756","AZL-43795","AZL-45003","BELL-CVE-2023-2731","CLSA-2025-1744116383","DEBIAN-CVE-2023-2731","EUVD-2023-34192","GHSA-g995-h8wx-7qw6","JLSEC-2025-303","OESA-2023-1316","RHSA-2023:6575","SUSE-SU-2023:4736-1","SUSE-SU-2023:4869-1","UBUNTU-CVE-2023-2731","USN-6290-1"],"status":"published","title":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff...","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00427,"percentile":0.37296,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2023-05-17T00:00:00Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Azure Linux:2","package":"libtiff","fixed_in":["4.5.0-3"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"tiff","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"BellSoft Hardened Containers:stream","package":"tiff","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"tiff","fixed_in":["4.5.0-6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tiff","fixed_in":["4.5.0-6"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tiff","fixed_in":["4.5.0-6"],"sources":["osv"]},{"ecosystem":"Julia","package":"Libtiff_jll","fixed_in":["4.5.1+0"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP1","package":"libtiff","fixed_in":["4.3.0-11.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP3","package":"libtiff","fixed_in":["4.3.0-11.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS","package":"libtiff","fixed_in":["4.3.0-25.oe2203sp1"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP1","package":"libtiff","fixed_in":["4.3.0-25.oe2203sp1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:9","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-10.el9"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libtiff-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-10.el9"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libtiff-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-10.el9"}]}],"bundled":5},{"source":"osv","ecosystem":"Azure Linux:2","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0-3"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"openjpeg2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.1-12"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"openjpeg2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.1-12"}]}]},{"source":"osv","ecosystem":"Alpaquita:23","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-r1"}]}]},{"source":"osv","ecosystem":"Alpaquita:stream","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-r1"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"BellSoft Hardened Containers:23","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-r1"}]}]},{"source":"osv","ecosystem":"BellSoft Hardened Containers:stream","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0-r1"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-8.el9_2.tuxcare.els1"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"libtiff-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-8.el9_2.tuxcare.els1"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"libtiff-static","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-8.el9_2.tuxcare.els1"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"libtiff-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-8.el9_2.tuxcare.els1"}]}],"bundled":4},{"source":"osv","ecosystem":"Debian:12","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0-6"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0-6"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0-6"}]}]},{"source":"osv","ecosystem":"Julia","package":"Libtiff_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.5.1+0"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-11.oe1"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP3","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-11.oe1"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-25.oe2203sp1"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP1","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-25.oe2203sp1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::appstream","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::appstream","package":"libtiff-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::appstream","package":"libtiff-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::appstream","package":"libtiff-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::appstream","package":"libtiff-tools-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::crb","package":"libtiff-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::crb","package":"libtiff-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::crb","package":"libtiff-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:9::crb","package":"libtiff-tools-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.4.0-10.el9"}]}],"bundled":6},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.74.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.74.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.74.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Micro 5.3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Micro 5.4","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Micro 5.5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP4","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP4","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-LTSS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP2-LTSS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP3-LTSS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP1","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP2","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Micro 5.2","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 7.1","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap Micro 5.3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap Micro 5.4","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap 15.4","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap 15.5","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-150000.45.35.1"}]}],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-7ubuntu0.11+esm9"}]}],"versions":["4.0.2-4ubuntu3","4.0.3-5ubuntu1","4.0.3-6","4.0.3-6ubuntu1","4.0.3-7","4.0.3-7ubuntu0.1","4.0.3-7ubuntu0.2","4.0.3-7ubuntu0.3","4.0.3-7ubuntu0.4","4.0.3-7ubuntu0.6","4.0.3-7ubuntu0.7","4.0.3-7ubuntu0.8","4.0.3-7ubuntu0.9","4.0.3-7ubuntu0.10","4.0.3-7ubuntu0.11","4.0.3-7ubuntu0.11+esm1","4.0.3-7ubuntu0.11+esm2","4.0.3-7ubuntu0.11+esm3","4.0.3-7ubuntu0.11+esm4","4.0.3-7ubuntu0.11+esm5","4.0.3-7ubuntu0.11+esm6","4.0.3-7ubuntu0.11+esm7","4.0.3-7ubuntu0.11+esm8"],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.6-1ubuntu0.8+esm12"}]}],"versions":["4.0.3-12.3ubuntu2","4.0.5-1","4.0.6-1","4.0.6-1ubuntu0.1","4.0.6-1ubuntu0.2","4.0.6-1ubuntu0.3","4.0.6-1ubuntu0.4","4.0.6-1ubuntu0.5","4.0.6-1ubuntu0.6","4.0.6-1ubuntu0.7","4.0.6-1ubuntu0.8","4.0.6-1ubuntu0.8+esm1","4.0.6-1ubuntu0.8+esm2","4.0.6-1ubuntu0.8+esm3","4.0.6-1ubuntu0.8+esm4","4.0.6-1ubuntu0.8+esm6","4.0.6-1ubuntu0.8+esm7","4.0.6-1ubuntu0.8+esm8","4.0.6-1ubuntu0.8+esm9","4.0.6-1ubuntu0.8+esm10","4.0.6-1ubuntu0.8+esm11"],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-5ubuntu0.10+esm2"}]}],"versions":["4.0.8-5","4.0.8-6","4.0.9-1","4.0.9-2","4.0.9-3","4.0.9-4","4.0.9-4ubuntu1","4.0.9-5","4.0.9-5ubuntu0.1","4.0.9-5ubuntu0.2","4.0.9-5ubuntu0.3","4.0.9-5ubuntu0.4","4.0.9-5ubuntu0.5","4.0.9-5ubuntu0.6","4.0.9-5ubuntu0.7","4.0.9-5ubuntu0.8","4.0.9-5ubuntu0.9","4.0.9-5ubuntu0.10","4.0.9-5ubuntu0.10+esm1"],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0+git191117-2ubuntu0.20.04.9"}]}],"versions":["4.0.10+git191003-1","4.1.0+git191117-1","4.1.0+git191117-2","4.1.0+git191117-2build1","4.1.0+git191117-2ubuntu0.20.04.1","4.1.0+git191117-2ubuntu0.20.04.2","4.1.0+git191117-2ubuntu0.20.04.3","4.1.0+git191117-2ubuntu0.20.04.4","4.1.0+git191117-2ubuntu0.20.04.5","4.1.0+git191117-2ubuntu0.20.04.6","4.1.0+git191117-2ubuntu0.20.04.7","4.1.0+git191117-2ubuntu0.20.04.8"],"bundled":10},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-6ubuntu0.5"}]}],"versions":["4.3.0-1","4.3.0-2","4.3.0-3","4.3.0-3build1","4.3.0-4","4.3.0-5","4.3.0-6","4.3.0-6ubuntu0.1","4.3.0-6ubuntu0.2","4.3.0-6ubuntu0.3","4.3.0-6ubuntu0.4"],"bundled":10}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"libtiff","product":"libtiff"},{"vendor":"redhat","product":"enterprise_linux"}],"references":[{"url":"https://gitlab.com/libtiff/libtiff/-/issues/548","tags":["x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","report","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2207635","tags":["x_transferred","Issue Tracking","Patch","Third Party Advisory","report","web"]},{"url":"https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b","tags":["x_transferred","Patch","fix","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-2731","tags":["x_transferred","Third Party Advisory","report","web"]},{"url":"https://security.netapp.com/advisory/ntap-20230703-0009/","tags":["x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2731","tags":["web","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230703-0009"},{"url":"https://github.com/advisories/GHSA-g995-h8wx-7qw6"},{"url":"https://access.redhat.com/errata/RHSA-2023:6575","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-26965","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-26966","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-3316","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-3576","tags":["report"]},{"url":"https://bugzilla.redhat.com/2207635","tags":["report"]},{"url":"https://bugzilla.redhat.com/2215206","tags":["report"]},{"url":"https://bugzilla.redhat.com/2216080","tags":["report"]},{"url":"https://bugzilla.redhat.com/2218749","tags":["report"]},{"url":"https://bugzilla.redhat.com/2219340","tags":["report"]},{"url":"https://errata.almalinux.org/9/ALSA-2023-6575.html","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2023-2731","tags":["advisory"]},{"url":"https://errata.tuxcare.com/almalinux9.2-esu/CLSA-2025-1744116383.html","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2731.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-2731","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1316","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.3_release_notes/index","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2215206","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2216080","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218749","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2219340","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_6575.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-17095","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1524284","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-17095","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-17095","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-2731","tags":["advisory","report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-3316","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3316","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-3576","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3576","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-26965","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26965","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-26966","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26966","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234736-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1199483","tags":["report"]},{"url":"https://bugzilla.suse.com/1210231","tags":["report"]},{"url":"https://bugzilla.suse.com/1211478","tags":["report"]},{"url":"https://bugzilla.suse.com/1212398","tags":["report"]},{"url":"https://bugzilla.suse.com/1214680","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2022-1622","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-40090","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-1916","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-26965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-2731","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234869-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-2731","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6290-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-48281","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-2908","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-3316","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-3618","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-25433","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-26965","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-26966","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-38288","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-38289","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-2731","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T00:00:00Z","modified":"2025-01-22T18:22:52.418Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-34192","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T00:00:00Z","modified":"2025-01-22T18:22:52Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:15.37855Z"}],"ghsa":[{"id":"GHSA-g995-h8wx-7qw6","title":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff...","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-18T00:30:41Z","modified":"2024-04-04T04:14:02Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:56:21.734223Z"}],"nvd":[{"id":"CVE-2023-2731","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T22:15:11.047Z","modified":"2026-06-17T05:53:18.577Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:08:02.399327Z"}],"osv":[{"id":"AZL-26756","title":"CVE-2023-2731 affecting package libtiff for versions less than 4.5.0-3","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T22:15:11Z","modified":"2026-04-21T04:23:49.072516Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:03.093433Z"},{"id":"AZL-43795","title":"CVE-2023-2731 affecting package openjpeg2 2.3.1-12","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T22:15:11Z","modified":"2026-04-21T04:31:09.690868Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:05.284713Z"},{"id":"AZL-45003","title":"CVE-2023-2731 affecting package openjpeg2 2.3.1-12","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T22:15:11Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T16:41:20.321068Z"},{"id":"BELL-CVE-2023-2731","status":"published","published":"2023-10-18T13:45:23.427216Z","modified":"2026-09-06T07:15:19.376329182Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:17.742221Z"},{"id":"CVE-2023-2731","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T00:00:00Z","modified":"2026-10-28T10:32:35.328590541Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:31.135751Z"},{"id":"DEBIAN-CVE-2023-2731","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2023-05-17T22:15:11.047Z","modified":"2026-10-26T18:00:33.603904971Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"JLSEC-2025-303","title":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the...","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the `libtiff/tif_lzw.c` file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"published","published":"2025-11-25T22:18:43.603Z","modified":"2026-07-25T18:23:38.989186374Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:47:17.805107Z"},{"id":"OESA-2023-1316","title":"libtiff security update","description":"This libtiff provides support for the Tag Image File Format (TIFF), a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff library.\r\n\r\nSecurity Fix(es):\r\n\r\nA NULL pointer dereference flaw was found in Libtiff\u0026apos;s LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.(CVE-2023-2731)","status":"published","published":"2023-06-03T11:05:47Z","modified":"2026-08-18T01:17:42.255848594Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:39.934788Z"},{"id":"RHSA-2023:6575","title":"Red Hat Security Advisory: libtiff security update","status":"published","published":"2024-09-16T12:55:08Z","modified":"2026-07-03T10:03:49Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:11.734882Z"},{"id":"UBUNTU-CVE-2023-2731","description":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","status":"withdrawn","published":"2023-05-17T22:15:00Z","modified":"2026-02-04T02:25:14.314915Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:20.198616Z"},{"id":"ALSA-2023:6575","title":"Moderate: libtiff security update","description":"The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity Fix(es):\n\n* libtiff: null pointer dereference in LZWDecode() in libtiff/tif_lzw.c (CVE-2023-2731)\n* libtiff: tiffcrop: null pointer dereference in TIFFClose() (CVE-2023-3316)\n* libtiff: memory leak in tiffcrop.c (CVE-2023-3576)\n* libtiff: heap-based use after free via a crafted TIFF image in loadImage() in tiffcrop.c (CVE-2023-26965)\n* libtiff: Buffer Overflow in uv_encode() (CVE-2023-26966)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2023-11-07T00:00:00Z","modified":"2026-10-29T11:31:59.167076652Z","updated_at":"2026-11-02T15:27:52.091404Z"},{"id":"CLSA-2025-1744116383","title":"libtiff: Fix of 4 CVEs","description":"- CVE-2024-7006: check return value of _TIFFCreateAnonField() to avoid potential DoS via\n  memory allocation failures\n- CVE-2023-6228: validate input image codec in tiffcp to prevent heap-based buffer\n  overflow and potential application crash\n- CVE-2022-40090: improve IFD loop handling in TIFFReadDirectory to prevent DoS via\n  crafted TIFF files\n- CVE-2023-2731: handle missing end-of-information marker in LZWDecode() to prevent\n  NULL pointer dereference and potential DoS","status":"published","published":"2025-04-08T12:46:28Z","modified":"2026-10-21T10:45:08.614298116Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"SUSE-SU-2023:4736-1","title":"Security update for tiff","description":"This update for tiff fixes the following issues:\n\n- CVE-2023-2731: Fix null pointer deference in LZWDecode() (bsc#1211478).\n- CVE-2023-1916: Fix out-of-bounds read in extractImageSection() (bsc#1210231).\n- CVE-2023-26965: Fix heap-based use after free in loadImage() (bsc#1212398).\n- CVE-2022-40090: Fix infinite loop in TIFFReadDirectory() (bsc#1214680).\n","status":"published","published":"2023-12-12T14:41:31Z","modified":"2026-02-04T03:52:13.259159Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2023:4869-1","title":"Security update for tiff","description":"This update for tiff fixes the following issues:\n\n- CVE-2023-2731: Fix null pointer deference in LZWDecode() (bsc#1211478).\n- CVE-2023-1916: Fix out-of-bounds read in extractImageSection() (bsc#1210231).\n- CVE-2023-26965: Fix heap-based use after free in loadImage() (bsc#1212398).\n- CVE-2022-40090: Fix infinite loop in TIFFReadDirectory() (bsc#1214680).\n","status":"published","published":"2023-12-14T15:26:46Z","modified":"2026-02-04T04:21:31.775627Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"USN-6290-1","title":"tiff vulnerabilities","description":"It was discovered that LibTIFF could be made to write out of bounds when\nprocessing certain malformed image files with the tiffcrop utility. If a\nuser were tricked into opening a specially crafted image file, an attacker\ncould possibly use this issue to cause tiffcrop to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. This issue only\naffected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.\n(CVE-2022-48281)\n\nIt was discovered that LibTIFF incorrectly handled certain image files. If\na user were tricked into opening a specially crafted image file, an\nattacker could possibly use this issue to cause a denial of service. This\nissue only affected Ubuntu 23.04. (CVE-2023-2731)\n\nIt was discovered that LibTIFF incorrectly handled certain image files\nwith the tiffcp utility. If a user were tricked into opening a specially\ncrafted image file, an attacker could possibly use this issue to cause\ntiffcp to crash, resulting in a denial of service. (CVE-2023-2908)\n\nIt was discovered that LibTIFF incorrectly handled certain file paths. If\na user were tricked into specifying certain output paths, an attacker\ncould possibly use this issue to cause a denial of service. This issue\nonly affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-3316)\n\nIt was discovered that LibTIFF could be made to write out of bounds when\nprocessing certain malformed image files. If a user were tricked into\nopening a specially crafted image file, an attacker could possibly use\nthis issue to cause a denial of service, or possibly execute arbitrary\ncode. (CVE-2023-3618)\n\nIt was discovered that LibTIFF could be made to write out of bounds when\nprocessing certain malformed image files. If a user were tricked into\nopening a specially crafted image file, an attacker could possibly use\nthis issue to cause a denial of service, or possibly execute arbitrary\ncode. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and\nUbuntu 23.04. (CVE-2023-25433, CVE-2023-26966)\n\nIt was discovered that LibTIFF did not properly managed memory when\nprocessing certain malformed image files with the tiffcrop utility. If a\nuser were tricked into opening a specially crafted image file, an attacker\ncould possibly use this issue to cause tiffcrop to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. This issue only\naffected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.\n(CVE-2023-26965)\n\nIt was discovered that LibTIFF contained an arithmetic overflow. If a user\nwere tricked into opening a specially crafted image file, an attacker\ncould possibly use this issue to cause a denial of service.\n(CVE-2023-38288, CVE-2023-38289)\n","status":"published","published":"2023-08-15T21:02:25Z","modified":"2026-06-29T13:50:56.53822325Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}