{"id":"CVE-2017-13726","aliases":["DEBIAN-CVE-2017-13726","DLA-1093-1","DSA-4100-1","EUVD-2017-5243","GHSA-xf7r-8x9r-r7xg","SUSE-SU-2018:1826-1","UBUNTU-CVE-2017-13726","USN-3602-1"],"status":"published","title":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8,...","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02631,"percentile":0.8562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-617"],"published":"2017-08-29T00:00:00Z","modified":"2026-10-24T10:30:40Z","fixes":[{"ecosystem":"Debian:12","package":"tiff","fixed_in":["4.0.8-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tiff","fixed_in":["4.0.8-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tiff","fixed_in":["4.0.8-5"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"tiff","fixed_in":["4.0.3-7ubuntu0.8"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"tiff","fixed_in":["4.0.6-1ubuntu0.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-5"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.2-6+deb7u16"}]}],"versions":["4.0.2-6","4.0.2-6+deb7u1","4.0.2-6+deb7u10","4.0.2-6+deb7u11","4.0.2-6+deb7u12","4.0.2-6+deb7u13","4.0.2-6+deb7u14","4.0.2-6+deb7u15","4.0.2-6+deb7u2","4.0.2-6+deb7u3","4.0.2-6+deb7u4","4.0.2-6+deb7u5","4.0.2-6+deb7u6","4.0.2-6+deb7u7","4.0.2-6+deb7u8","4.0.2-6+deb7u9"],"bundled":4},{"source":"osv","ecosystem":"Debian:8","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-12.3+deb8u5"}]}],"versions":["4.0.3-12.3","4.0.3-12.3+deb8u1","4.0.3-12.3+deb8u2","4.0.3-12.3+deb8u3","4.0.3-12.3+deb8u4"],"bundled":6},{"source":"osv","ecosystem":"Debian:9","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-2+deb9u2"}]}],"versions":["4.0.8-2","4.0.8-2+deb9u1"],"bundled":6},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.15.2"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.15.2"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.15.2"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-44.15.2"}]}],"bundled":8},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-7ubuntu0.8"}]}],"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"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.6-1ubuntu0.3"}]}],"versions":["4.0.3-12.3ubuntu2","4.0.5-1","4.0.6-1","4.0.6-1ubuntu0.1","4.0.6-1ubuntu0.2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-7ubuntu0.8"}]}],"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"],"bundled":27},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.6-1ubuntu0.3"}]}],"versions":["4.0.3-12.3ubuntu2","4.0.5-1","4.0.6-1","4.0.6-1ubuntu0.1","4.0.6-1ubuntu0.2"],"bundled":27}],"products":[{"vendor":"libtiff","product":"libtiff"}],"references":[{"url":"http://www.securityfocus.com/bid/100524","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://usn.ubuntu.com/3602-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"https://www.debian.org/security/2018/dsa-4100","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://bugzilla.maptools.org/show_bug.cgi?id=2727","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-13726"},{"url":"https://usn.ubuntu.com/3602-1"},{"url":"https://github.com/advisories/GHSA-xf7r-8x9r-r7xg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-13726","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20181826-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1007276","tags":["report"]},{"url":"https://bugzilla.suse.com/1074317","tags":["report"]},{"url":"https://bugzilla.suse.com/1082332","tags":["report"]},{"url":"https://bugzilla.suse.com/1082825","tags":["report"]},{"url":"https://bugzilla.suse.com/1086408","tags":["report"]},{"url":"https://bugzilla.suse.com/1092949","tags":["report"]},{"url":"https://bugzilla.suse.com/974621","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3632","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8331","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-11613","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-13726","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10963","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7456","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-8905","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-13726","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3602-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-13726","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-10266","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-10267","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-10268","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-10269","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-10371","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7592","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7593","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7594","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7595","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7596","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7597","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7598","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7599","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7600","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7601","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-7602","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9403","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9404","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9815","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9936","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-10688","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-11335","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-12944","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-13727","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-18013","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-5784","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-13726","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2017-08-29T06:00:00Z","modified":"2024-08-05T19:05:19.971Z","updated_at":"2026-11-02T14:33:17.59533Z"}],"euvd":[{"id":"EUVD-2017-5243","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2017-08-29T06:00:00Z","modified":"2024-08-05T19:05:19Z","updated_at":"2026-11-03T02:23:19.185271Z"}],"ghsa":[{"id":"GHSA-xf7r-8x9r-r7xg","title":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8,...","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2022-05-13T01:43:14Z","modified":"2025-04-20T03:44:00Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T15:01:50.574323Z"}],"nvd":[{"id":"CVE-2017-13726","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2017-08-29T06:29:00.237Z","modified":"2026-06-17T01:05:03.793Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:03:57.82609Z"}],"osv":[{"id":"CVE-2017-13726","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2017-08-29T06:29:00.237Z","modified":"2026-10-24T10:30:40.707526378Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:04.159616Z"},{"id":"DEBIAN-CVE-2017-13726","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2017-08-29T06:29:00.237Z","modified":"2026-09-01T20:03:43.228369826Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:28.801885Z"},{"id":"UBUNTU-CVE-2017-13726","description":"There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.","status":"published","published":"2017-08-29T00:00:00Z","modified":"2026-04-22T11:14:49.338483Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:14.122973Z"},{"id":"DLA-1093-1","title":"tiff - security update","status":"published","published":"2017-09-09T00:00:00Z","modified":"2026-03-09T01:01:47.882779Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-4100-1","title":"tiff - security update","status":"published","published":"2018-01-27T00:00:00Z","modified":"2026-03-09T01:18:46.442181Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"SUSE-SU-2018:1826-1","title":"Security update for tiff","description":"This update for tiff fixes the following issues:\n\nThese security issues were fixed:\n\n- CVE-2017-18013: There was a Null-Pointer Dereference in the tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.  (bsc#1074317)\n- CVE-2018-10963: The TIFFWriteDirectorySec() function in tif_dirwrite.c allowed remote attackers to cause a denial of service (assertion failure and application crash) via a crafted file, a different vulnerability than CVE-2017-13726.  (bsc#1092949)\n- CVE-2018-7456: Prevent a NULL Pointer dereference in the function TIFFPrintDirectory when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013 (bsc#1082825)\n- CVE-2017-11613: Prevent denial of service in the TIFFOpen function. During the TIFFOpen process, td_imagelength is not checked. The value of td_imagelength can be directly controlled by an input file. In the ChopUpSingleUncompressedStrip function, the _TIFFCheckMalloc function is called based on td_imagelength. If the value of td_imagelength is set close to the amount of system memory, it will hang the system or trigger the OOM killer (bsc#1082332)\n- CVE-2018-8905: Prevent heap-based buffer overflow in the function LZWDecodeCompat via a crafted TIFF file (bsc#1086408)\n- CVE-2016-8331: Prevent remote code execution because of incorrect handling of TIFF images. A crafted TIFF document could have lead to a type confusion vulnerability resulting in remote code execution. This vulnerability could have been be triggered via a TIFF file delivered to the application using LibTIFF's tag extension functionality (bsc#1007276)\n- CVE-2016-3632: The _TIFFVGetField function allowed remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted TIFF image (bsc#974621)\n","status":"published","published":"2018-06-27T10:45:25Z","modified":"2026-02-04T03:29:49.152301Z","updated_at":"2026-11-02T15:53:44.972817Z"},{"id":"USN-3602-1","title":"tiff vulnerabilities","description":"It was discovered that LibTIFF incorrectly handled certain malformed\nimages. If a user or automated system were tricked into opening a specially\ncrafted image, a remote attacker could crash the application, leading to a\ndenial of service, or possibly execute arbitrary code with user privileges.\n","status":"published","published":"2018-03-20T17:20:33Z","modified":"2026-04-22T09:44:20.268072Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}