{"id":"CVE-2022-26126","aliases":["ALPINE-CVE-2022-26126","DEBIAN-CVE-2022-26126","DLA-3797-1","DLA-3865-1","EUVD-2022-30693","GHSA-mv8p-w8jf-x9q9","SUSE-SU-2022:0901-1","UBUNTU-CVE-2022-26126","USN-6807-1","openSUSE-SU-2022:0901-1","openSUSE-SU-2024:11880-1"],"status":"published","title":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a...","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0108,"percentile":0.65577,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2022-03-03T00:00:00Z","modified":"2026-11-03T08:00:42Z","fixes":[{"ecosystem":"Alpine:v3.16","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"frr","fixed_in":["8.2.1-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"frr","fixed_in":["8.4.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"frr","fixed_in":["8.4.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"frr","fixed_in":["8.4.1-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"frr","fixed_in":["7.2.1-1ubuntu0.2+esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"frr","fixed_in":["8.1-1ubuntu1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.16","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.1-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.1-1.1+deb10u2"}]}],"versions":["6.0.2-2","6.0.2-2+deb10u1","6.0.2-2+deb10u2","7.2-1","7.2.1-1","7.3.1-1","7.4-1","7.4-1.1","7.4-2","7.5-1","7.5.1-1","7.5.1-1.1","7.5.1-1.1+deb10u1"],"bundled":14},{"source":"osv","ecosystem":"Debian:11","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.1-1.1+deb11u3"}]}],"versions":["7.5.1-1.1","7.5.1-1.1+deb11u1","7.5.1-1.1+deb11u2"],"bundled":16},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15 SP3","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4-150300.4.3.1"}]}],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.1-1ubuntu0.2+esm2"}]}],"versions":["6.0.2-2build2","7.2-1ubuntu1","7.2-1ubuntu2","7.2.1-1","7.2.1-1ubuntu0.1","7.2.1-1ubuntu0.2","7.2.1-1ubuntu0.2+esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1-1ubuntu1"}]}],"versions":["7.5.1-1.1","8.1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.1-1ubuntu0.2+esm2"}]}],"versions":["6.0.2-2build2","7.2-1ubuntu1","7.2-1ubuntu2","7.2.1-1","7.2.1-1ubuntu0.1","7.2.1-1ubuntu0.2","7.2.1-1ubuntu0.2+esm1"],"bundled":15},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4-150300.4.3.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"frr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1-3.1"}]}],"bundled":4}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"frrouting","product":"frrouting"}],"references":[{"url":"https://github.com/FRRouting/frr/issues/10505","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XUCZR6RYQVZ35BFUV7OLIUEHZW2433I2/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MIEQNIWUSBQTFR65HM2LLIB7PH27CZUZ/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VTYSAL4QCE4XWMMBKUB7LSLPAFLWUML4/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html","tags":["mailing-list","x_transferred","article"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26126","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MIEQNIWUSBQTFR65HM2LLIB7PH27CZUZ"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VTYSAL4QCE4XWMMBKUB7LSLPAFLWUML4"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XUCZR6RYQVZ35BFUV7OLIUEHZW2433I2"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MIEQNIWUSBQTFR65HM2LLIB7PH27CZUZ"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VTYSAL4QCE4XWMMBKUB7LSLPAFLWUML4"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XUCZR6RYQVZ35BFUV7OLIUEHZW2433I2"},{"url":"https://github.com/advisories/GHSA-mv8p-w8jf-x9q9"},{"url":"https://security.alpinelinux.org/vuln/CVE-2022-26126","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/26xxx/CVE-2022-26126.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-26126","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20220901-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1180217","tags":["report"]},{"url":"https://bugzilla.suse.com/1196503","tags":["report"]},{"url":"https://bugzilla.suse.com/1196504","tags":["report"]},{"url":"https://bugzilla.suse.com/1196505","tags":["report"]},{"url":"https://bugzilla.suse.com/1196506","tags":["report"]},{"url":"https://bugzilla.suse.com/1196507","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2022-26125","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-26126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-26127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-26128","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-26129","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2022-26126","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-26126","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6807-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-26127","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-26128","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-26129","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-37032","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-37035","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-31490","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-38406","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-38407","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-38802","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-46752","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-46753","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-47234","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-47235","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-31948","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/IMU2X5TQEN42TVGMLEB32I5WD3N5Z2FU/","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-26126","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T00:00:00Z","modified":"2025-11-04T16:09:40.516Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:34:26.293612Z"}],"euvd":[{"id":"EUVD-2022-30693","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T00:00:00Z","modified":"2025-11-04T16:09:40Z","updated_at":"2026-11-02T19:49:29.391161Z"}],"ghsa":[{"id":"GHSA-mv8p-w8jf-x9q9","title":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a...","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-04T00:00:18Z","modified":"2025-11-04T18:31:42Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:04:34.447716Z"}],"nvd":[{"id":"CVE-2022-26126","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T18:15:08.143Z","modified":"2026-06-17T04:34:44.05Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:07:12.711288Z"}],"osv":[{"id":"ALPINE-CVE-2022-26126","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T18:15:08.143Z","modified":"2026-11-03T07:30:34.294543852Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:50:38.973973Z"},{"id":"DEBIAN-CVE-2022-26126","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T18:15:08.143Z","modified":"2026-11-03T08:00:42.532453825Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T08:25:15.646766Z"},{"id":"UBUNTU-CVE-2022-26126","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T18:15:00Z","modified":"2026-02-04T02:18:48.37298Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:53:53.13624Z"},{"id":"CVE-2022-26126","description":"Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.","status":"published","published":"2022-03-03T00:00:00Z","modified":"2026-10-30T02:45:09.208774173Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:44:24.758293Z"},{"id":"DLA-3797-1","title":"frr - security update","status":"published","published":"2024-04-28T00:00:00Z","modified":"2026-03-09T01:19:39.807356Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"DLA-3865-1","title":"frr - security update","status":"published","published":"2024-09-03T00:00:00Z","modified":"2026-03-09T01:21:47.488772Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"openSUSE-SU-2022:0901-1","title":"Security update for frr","description":"This update for frr fixes the following issues:\n\n- CVE-2022-26125, CVE-2022-26126: Fixed buffer overflows in unpack_tlv_router_cap() (bsc#1196505, bsc#1196506).\n- CVE-2022-26127: Fixed heap buffer overflow in babel_packet_examin() (bsc#1196503).\n- CVE-2022-26128: Fixed buffer overflows in babel_packet_examin() (bsc#1196507).\n- CVE-2022-26129: Fixed buffer overflows in parse_hello_subtlv(), parse_ihu_subtlv() and parse_update_subtlv() (bsc#1196504).\n","status":"published","published":"2022-03-18T11:02:05Z","modified":"2026-02-04T03:03:19.382528Z","updated_at":"2026-11-02T16:58:32.653274Z"},{"id":"openSUSE-SU-2024:11880-1","title":"frr-8.1-3.1 on GA media","description":"These are all security issues fixed in the frr-8.1-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:09:57.809619Z","updated_at":"2026-11-02T16:58:35.485255Z"},{"id":"SUSE-SU-2022:0901-1","title":"Security update for frr","description":"This update for frr fixes the following issues:\n\n- CVE-2022-26125, CVE-2022-26126: Fixed buffer overflows in unpack_tlv_router_cap() (bsc#1196505, bsc#1196506).\n- CVE-2022-26127: Fixed heap buffer overflow in babel_packet_examin() (bsc#1196503).\n- CVE-2022-26128: Fixed buffer overflows in babel_packet_examin() (bsc#1196507).\n- CVE-2022-26129: Fixed buffer overflows in parse_hello_subtlv(), parse_ihu_subtlv() and parse_update_subtlv() (bsc#1196504).\n","status":"published","published":"2022-03-18T11:02:04Z","modified":"2025-05-02T04:32:58.08413Z","updated_at":"2026-11-02T15:53:50.066806Z"},{"id":"USN-6807-1","title":"frr vulnerabilities","description":"It was discovered that FRR incorrectly handled certain network traffic.\nA remote attacker could possibly use this issue to cause FRR to crash,\nresulting in a denial of service. (CVE-2022-26126, CVE-2022-26127,\nCVE-2022-26128, CVE-2022-26129, CVE-2022-37032, CVE-2022-37035,\nCVE-2023-31490, CVE-2023-38406, CVE-2023-38407, CVE-2023-46752,\nCVE-2023-46753, CVE-2023-47234, CVE-2023-47235, CVE-2024-31948)\n\nBen Cartwright-Cox discovered that FRR incorrectly handled certain\nnetwork traffic. A remote attacker could possibly use this issue to cause\nFRR to crash, resulting in a denial of service. (CVE-2023-38802)\n","status":"published","published":"2024-06-05T17:19:09Z","modified":"2026-04-27T17:32:34.157755463Z","updated_at":"2026-11-02T16:58:17.914523Z"}]}}