{"id":"CVE-2018-18751","aliases":["ALPINE-CVE-2018-18751","ALSA-2019:3643","BELL-CVE-2018-18751","DEBIAN-CVE-2018-18751","EUVD-2018-10467","GHSA-3vvp-8645-4qmr","JLSEC-2025-174","MGASA-2018-0464","RHSA-2019:3643","RHSA-2020:1138","RHSA-2020:2485","RHSA-2020:2846","RLSA-2019:3643","SUSE-SU-2020:2296-1","SUSE-SU-2021:4060-1","UBUNTU-CVE-2018-18751","USN-3815-1","openSUSE-SU-2020:1270-1","openSUSE-SU-2020:1278-1","openSUSE-SU-2020:1385-1"],"status":"published","title":"An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in...","description":"An issue was discovered in GNU gettext 0.19.8. 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lt-msgfmt.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04257,"percentile":0.91125,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-415"],"published":"2018-10-28T17:00:00Z","modified":"2026-10-29T11:00:05Z","fixes":[{"ecosystem":"Alpine:v3.11","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"gettext","fixed_in":["0.20.1-r0"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"gettext","fixed_in":["0.19.8.1-17.el8"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"gettext-common-devel","fixed_in":["0.19.8.1-17.el8"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"gettext-devel","fixed_in":["0.19.8.1-17.el8"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"gettext-libs","fixed_in":["0.19.8.1-17.el8"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"gettext","fixed_in":["0.19.8.1-9"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"gettext","fixed_in":["0.19.8.1-9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"gettext","fixed_in":["0.19.8.1-9"],"sources":["osv"]},{"ecosystem":"Julia","package":"Gettext_jll","fixed_in":["0.20.1+1"],"sources":["osv"]},{"ecosystem":"Mageia:6","package":"gettext","fixed_in":["0.19.8.1-1.1.mga6"],"sources":["osv"]},{"ecosystem":"Red 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There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.","status":"published","published":"2018-10-29T12:29:09.617Z","modified":"2026-10-23T17:17:55.235300057Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"BELL-CVE-2018-18751","title":"CVE-2018-18751 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:15:33.550285Z","modified":"2026-01-26T09:46:07.169216Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-18751","description":"An issue was discovered in GNU gettext 0.19.8. 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There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.","status":"published","published":"2018-10-29T12:29:09.617Z","modified":"2026-10-23T18:02:29.328644598Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"JLSEC-2025-174","title":"An issue was discovered in GNU gettext 0.19.8","description":"An issue was discovered in GNU gettext 0.19.8. There is a double free in `default_add_message` in read-catalog.c, related to an invalid free in `po_gram_parse` in po-gram-gen.y, as demonstrated by lt-msgfmt.","status":"published","published":"2025-10-21T17:24:37.757Z","modified":"2026-07-23T22:30:16.230322517Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:47:17.805107Z"},{"id":"RHSA-2019:3643","title":"Red Hat Security Advisory: gettext security update","status":"published","published":"2024-09-16T02:39:42Z","modified":"2026-01-14T11:03:26.165178Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:06.535721Z"},{"id":"RHSA-2020:1138","title":"Red Hat Security Advisory: gettext security and bug fix update","status":"published","published":"2024-09-16T02:39:34Z","modified":"2026-06-26T12:21:57.689817528Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:06.535721Z"},{"id":"RHSA-2020:2485","title":"Red Hat Security Advisory: gettext security update","status":"published","published":"2024-09-16T02:39:47Z","modified":"2026-06-26T12:22:04.975400192Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:07.072948Z"},{"id":"RHSA-2020:2846","title":"Red Hat Security Advisory: gettext security update","status":"published","published":"2024-09-16T02:39:56Z","modified":"2026-06-26T12:21:12.445417894Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:07.072948Z"},{"id":"RLSA-2019:3643","title":"Low: gettext security update","description":"The gettext packages provide a documentation for producing multi-lingual messages in programs, set of conventions about how programs should be written, a runtime library, and a directory and file naming organization for the message catalogs.\n\nSecurity Fix(es):\n\n* gettext: double free in default_add_message in read-catalog.c (CVE-2018-18751)\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 Rocky Linux 8.1 Release Notes linked from the References section.","status":"published","published":"2019-11-05T18:10:22Z","modified":"2026-02-05T11:30:03.973794Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"UBUNTU-CVE-2018-18751","description":"An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.","status":"published","published":"2018-10-29T00:00:00Z","modified":"2026-04-22T11:49:41.561556Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:17.496046Z"},{"id":"ALSA-2019:3643","title":"Low: gettext security update","description":"The gettext packages provide a documentation for producing multi-lingual messages in programs, set of conventions about how programs should be written, a runtime library, and a directory and file naming organization for the message catalogs.\n\nSecurity Fix(es):\n\n* gettext: double free in default_add_message in read-catalog.c (CVE-2018-18751)\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":"2019-11-05T18:10:22Z","modified":"2026-10-29T11:00:05.736176983Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"MGASA-2018-0464","title":"Updated gettext packages fix security vulnerability","description":"An issue was discovered in GNU gettext 0.19.8. There is a double free in\ndefault_add_message in read-catalog.c, related to an invalid free in\npo_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.\n(CVE-2018-18751)\n","status":"published","published":"2018-11-21T17:51:03Z","modified":"2026-04-16T06:24:25.447875382Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"openSUSE-SU-2020:1270-1","title":"Security update for gettext-runtime","description":"This update for gettext-runtime fixes the following issues:\n\n- Fix boo941629-unnessary-rpath-on-standard-path.patch (bsc#941629) \n- Added msgfmt-double-free.patch to fix a double free error\n  (CVE-2018-18751 bsc#1113719)\n- Add patch msgfmt-reset-msg-length-after-remove.patch\n  which does reset the length of message string after a line\n  has been removed (bsc#1106843)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2020-08-27T14:21:31Z","modified":"2026-02-04T03:55:48.486348Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:1278-1","title":"Security update for gettext-runtime","description":"This update for gettext-runtime fixes the following issues:\n\n- Fix boo941629-unnessary-rpath-on-standard-path.patch (bsc#941629) \n- Added msgfmt-double-free.patch to fix a double free error\n  (CVE-2018-18751 bsc#1113719)\n- Add patch msgfmt-reset-msg-length-after-remove.patch\n  which does reset the length of message string after a line\n  has been removed (bsc#1106843)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2020-08-27T22:21:48Z","modified":"2026-02-04T04:33:48.185246Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:1385-1","title":"Security update for gettext-runtime","description":"This update for gettext-runtime fixes the following issues:\n\n- Fix boo941629-unnessary-rpath-on-standard-path.patch (bsc#941629) \n- Added msgfmt-double-free.patch to fix a double free error\n  (CVE-2018-18751 bsc#1113719)\n- Add patch msgfmt-reset-msg-length-after-remove.patch\n  which does reset the length of message string after a line\n  has been removed (bsc#1106843)\n\nThis update was imported from the SUSE:SLE-15:Update update project.\nThis update was imported from the openSUSE:Leap:15.1:Update update project.","status":"published","published":"2020-09-08T10:23:35Z","modified":"2026-02-04T04:20:42.736078Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"SUSE-SU-2020:2296-1","title":"Security update for gettext-runtime","description":"This update for gettext-runtime fixes the following issues:\n\n- Fix boo941629-unnessary-rpath-on-standard-path.patch (bsc#941629) \n- Added msgfmt-double-free.patch to fix a double free error\n  (CVE-2018-18751 bsc#1113719)\n- Add patch msgfmt-reset-msg-length-after-remove.patch\n  which does reset the length of message string after a line\n  has been removed (bsc#1106843)\n","status":"published","published":"2020-08-24T08:34:50Z","modified":"2026-02-04T04:38:22.741439Z","updated_at":"2026-11-02T15:53:48.11786Z"},{"id":"SUSE-SU-2021:4060-1","title":"Security update for gettext-runtime","description":"This update for gettext-runtime fixes the following issues:\n\n- CVE-2018-18751: Fixed a double free (bsc#1113719)\n","status":"published","published":"2021-12-14T11:58:59Z","modified":"2026-02-04T03:17:42.359009Z","updated_at":"2026-11-02T15:53:50.066806Z"},{"id":"USN-3815-1","title":"gettext vulnerability","description":"It was discovered that gettext incorrectly handled certain messages.\nAn attacker could possibly use this issue to execute arbitrary code.\n","status":"published","published":"2018-11-12T12:14:14Z","modified":"2026-04-22T09:51:25.514665Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}