{"id":"CVE-2009-5155","aliases":["AZL-44574","AZL-44787","BELL-CVE-2009-5155","DEBIAN-CVE-2009-5155","EUVD-2009-5109","GHSA-2p2p-xpf9-5p78","SUSE-SU-2019:1102-1","SUSE-SU-2019:1877-1","SUSE-SU-2019:1958-1","SUSE-SU-2019:1958-2","UBUNTU-CVE-2009-5155","USN-4954-1","openSUSE-SU-2024:10792-1"],"status":"published","title":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses...","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","severity":{"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","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03906,"percentile":0.90358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-19"],"published":"2019-02-26T02:00:00Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.28-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.28-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.28-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"gnulib","fixed_in":["20140202+stable-3.2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"gnulib","fixed_in":["20140202+stable-3.2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"gnulib","fixed_in":["20140202+stable-3.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"glibc","fixed_in":["2.23-0ubuntu11.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"suitesparse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"7.11.0-1"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"metis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.1.0.3-7"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"gnulib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20140202+stable-3.2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"gnulib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20140202+stable-3.2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"gnulib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20140202+stable-3.2"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP4","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-100.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP4","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-100.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP4","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-100.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-100.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.26-13.24.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP1","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.26-13.24.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Development Tools 15","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.26-13.24.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Development Tools 15 SP1","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.26-13.24.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 7","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 8","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 4","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 5","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:HPE Helion OpenStack 8","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud Crowbar 8","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-BCL","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 5","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22-62.22.5"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1","2.19-0ubuntu6.3","2.19-0ubuntu6.4","2.19-0ubuntu6.5","2.19-0ubuntu6.6","2.19-0ubuntu6.7","2.19-0ubuntu6.8","2.19-0ubuntu6.9","2.19-0ubuntu6.10","2.19-0ubuntu6.11","2.19-0ubuntu6.13","2.19-0ubuntu6.14","2.19-0ubuntu6.15","2.19-0ubuntu6.15+esm1","2.19-0ubuntu6.15+esm2","2.19-0ubuntu6.15+esm3","2.19-0ubuntu6.15+esm4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.3"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9","2.23-0ubuntu10","2.23-0ubuntu11","2.23-0ubuntu11.2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gnulib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140202+stable-2","20140202+stable-2+deb8u1build0.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.26-0ubuntu2","2.26-0ubuntu2.1","2.27-0ubuntu2","2.27-0ubuntu3","2.27-3ubuntu1","2.27-3ubuntu1.2","2.27-3ubuntu1.3","2.27-3ubuntu1.4","2.27-3ubuntu1.5","2.27-3ubuntu1.6","2.27-3ubuntu1.6+esm1","2.27-3ubuntu1.6+esm2","2.27-3ubuntu1.6+esm3","2.27-3ubuntu1.6+esm4","2.27-3ubuntu1.6+esm5","2.27-3ubuntu1.6+esm6"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gnulib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140202+stable-2","20140202+stable-2build1","20140202+stable-2+deb8u1build0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.3"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9","2.23-0ubuntu10","2.23-0ubuntu11","2.23-0ubuntu11.2"],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34-1.2"}]}],"bundled":34}],"products":[{"vendor":"gnu","product":"glibc"},{"vendor":"netapp","product":"cloud_backup"},{"vendor":"netapp","product":"ontap_select_deploy_administration_utility"},{"vendor":"netapp","product":"steelstore_cloud_integrated_storage"}],"references":[{"url":"https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22793","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","article"]},{"url":"https://security.netapp.com/advisory/ntap-20190315-0002/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32806","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Vendor Advisory","advisory","article","evidence"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=18986","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","advisory","evidence","report"]},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=eb04c21373e2a2885f3d52ff192b0499afe3c672","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=5513b40999149090987a0341c018d05d3eea1272","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Vendor Advisory","advisory","article","fix"]},{"url":"https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34238","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Vendor Advisory","advisory","article","evidence"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=11053","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","advisory","evidence","report"]},{"url":"https://support.f5.com/csp/article/K64119434","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://support.f5.com/csp/article/K64119434?utm_source=f5support\u0026amp%3Butm_medium=RSS","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-5155","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E"},{"url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E"},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672"},{"url":"https://support.f5.com/csp/article/K64119434?utm_source=f5support\u0026amp;utm_medium=RSS"},{"url":"https://github.com/advisories/GHSA-2p2p-xpf9-5p78"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2009-5155","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-5155","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191102-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1100396","tags":["report"]},{"url":"https://bugzilla.suse.com/1110661","tags":["report"]},{"url":"https://bugzilla.suse.com/1122729","tags":["report"]},{"url":"https://bugzilla.suse.com/1127223","tags":["report"]},{"url":"https://bugzilla.suse.com/1127308","tags":["report"]},{"url":"https://bugzilla.suse.com/1128574","tags":["report"]},{"url":"https://bugzilla.suse.com/1131994","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2009-5155","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9169","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191877-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1117993","tags":["report"]},{"url":"https://bugzilla.suse.com/1123710","tags":["report"]},{"url":"https://bugzilla.suse.com/1131330","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191958-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191958-2/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2009-5155","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4954-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-5155","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-6096","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-5064","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-3192","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5180","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10228","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6261","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6323","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-1000366","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-1000408","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12132","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12133","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16997","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-17426","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18269","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000001","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-11236","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-11237","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19591","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-6485","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-19126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-25013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7309","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10029","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-1752","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27618","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29562","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29573","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-6096","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27645","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3326","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33574","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2009-5155","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:00:00Z","modified":"2024-08-07T07:32:23.298Z","updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2009-5109","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:00:00Z","modified":"2024-08-07T07:32:23Z","updated_at":"2026-11-03T01:39:07.248677Z"}],"ghsa":[{"id":"GHSA-2p2p-xpf9-5p78","title":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses...","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2022-05-02T04:01:42Z","modified":"2023-01-31T05:08:26Z","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":"2026-11-02T14:49:23.788915Z"}],"nvd":[{"id":"CVE-2009-5155","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:29:00.277Z","modified":"2026-06-16T23:15:11.07Z","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","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-19"],"updated_at":"2026-11-02T14:01:38.684719Z"}],"osv":[{"id":"AZL-44574","title":"CVE-2009-5155 affecting package suitesparse 7.11.0-1","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:29:00Z","modified":"2026-11-05T05:36:30Z","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":"2026-11-05T16:41:20.107976Z"},{"id":"AZL-44787","title":"CVE-2009-5155 affecting package metis 5.1.0.3-7","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:29:00Z","modified":"2026-11-05T05:36:30Z","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":"2026-11-05T16:41:20.107976Z"},{"id":"BELL-CVE-2009-5155","title":"CVE-2009-5155 does not affect BellSoft software","status":"withdrawn","published":"2019-02-26T02:29:00Z","modified":"2026-01-26T09:47:01.326844Z","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":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2009-5155","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:29:00Z","modified":"2026-04-10T03:41:04.730414Z","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":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-5155","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:29:00.277Z","modified":"2026-10-23T18:00:09.661735281Z","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":"2026-11-02T15:45:24.013654Z"},{"id":"UBUNTU-CVE-2009-5155","description":"In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.","status":"published","published":"2019-02-26T02:29:00Z","modified":"2026-04-22T08:45:03.24837Z","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":"2026-11-02T15:54:05.838224Z"},{"id":"openSUSE-SU-2024:10792-1","title":"glibc-2.34-1.2 on GA media","description":"These are all security issues fixed in the glibc-2.34-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:52:58.912445Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2019:1102-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-9169: regex: fix read overrun (bsc#1127308, BZ #24114)\n- CVE-2016-10739: Fully parse IPv4 address strings (bsc#1122729, BZ #20018)\n- CVE-2009-5155: ERE '0|()0|\\1|0' causes regexec undefined behavior (bsc#1127223, BZ #18986)\n\nNon-security issues fixed:\n\n- Enable TLE only if GLIBC_ELISION_ENABLE=yes is defined (bsc#1131994, fate#322271)\n- Add more checks for valid ld.so.cache file (bsc#1110661, BZ #18093)\n- Added cfi information for start routines in order to stop unwinding (bsc#1128574)\n- ja_JP locale: Add entry for the new Japanese era (bsc#1100396, fate#325570, BZ #22964)\n","status":"published","published":"2019-04-30T10:07:50Z","modified":"2026-02-04T03:00:22.19353Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:1877-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-9169: Fixed a heap-based buffer over-read via an attempted case-insensitive regular-expression match (bsc#1127308).\n- CVE-2009-5155: Fixed a denial of service in parse_reg_exp() (bsc#1127223).\n\nNon-security issues fixed:\n\n- Does no longer compress debug sections in crt*.o files (bsc#1123710)\n- Fixes a concurrency problem in ldconfig (bsc#1117993)\n- Fixes a race condition in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP (bsc#1131330)\n","status":"published","published":"2019-07-18T09:32:06Z","modified":"2026-02-04T02:39:52.361635Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2019:1958-1","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-9169: Fixed a heap-based buffer over-read via an attempted case-insensitive regular-expression match (bsc#1127308).\n- CVE-2009-5155: Fixed a denial of service in parse_reg_exp() (bsc#1127223).\n\nNon-security issues fixed:\n\n- Added cfi information for start routines in order to stop unwinding on S390 (bsc#1128574).\n","status":"published","published":"2019-07-23T11:18:34Z","modified":"2025-05-02T04:03:49.618083Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2019:1958-2","title":"Security update for glibc","description":"This update for glibc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-9169: Fixed a heap-based buffer over-read via an attempted case-insensitive regular-expression match (bsc#1127308).\n- CVE-2009-5155: Fixed a denial of service in parse_reg_exp() (bsc#1127223).\n\nNon-security issues fixed:\n\n- Added cfi information for start routines in order to stop unwinding on S390 (bsc#1128574).\n","status":"published","published":"2019-07-23T11:18:34Z","modified":"2026-02-04T02:41:02.737716Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"USN-4954-1","title":"glibc vulnerabilities","description":"Jason Royes and Samuel Dytrych discovered that the memcpy()\nimplementation for 32 bit ARM processors in the GNU C Library contained\nan integer underflow vulnerability. An attacker could possibly use\nthis to cause a denial of service (application crash) or execute\narbitrary code. (CVE-2020-6096)\n\nIt was discovered that the POSIX regex implementation in the GNU C\nLibrary did not properly parse alternatives. An attacker could use this\nto cause a denial of service. (CVE-2009-5155)\n","status":"published","published":"2021-05-14T00:19:34Z","modified":"2026-04-27T19:02:19.66737Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}
