{"id":"CVE-2025-29917","aliases":["DEBIAN-CVE-2025-29917","EUVD-2025-10710","GHSA-x8c9-8553-j9px","MGASA-2026-0181","UBUNTU-CVE-2025-29917","openSUSE-SU-2025:15394-1"],"status":"published","title":"Suricata decode_base64: signature can do large memory allocation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00274,"percentile":0.1993,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2025-04-10T21:00:05Z","modified":"2026-10-28T10:58:55Z","fixes":[{"ecosystem":"Debian:13","package":"suricata","fixed_in":["1:7.0.9-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:7.0.9-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.0.9-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.0.9-1"}]}]},{"source":"osv","ecosystem":"Mageia:9","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.10-1.mga9"}]}],"bundled":14},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1","3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-2ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:6.0.4-2","1:6.0.4-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.0-2","1:7.0.2-1","1:7.0.2-1build1","1:7.0.3-1build1","1:7.0.3-1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.8-2","1:7.0.10-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:8.0.3-1","1:8.0.5-1","1:8.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.10-1","1:8.0.1-3build1","1:8.0.2-1","1:8.0.2-1build1","1:8.0.3-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0-1.1"}]}],"bundled":30}],"products":[{"vendor":"oisf","product":"suricata"}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://redmine.openinfosecfoundation.org/issues/7613","tags":["x_refsource_MISC","Permissions Required","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29917.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29917","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-29917","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0181.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=33666","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WUPZOFSY4QOLJUU5AJZ7K6EES56A4KEN/","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-6-is-now-end-of-life-eol/4790","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-7-0-10-released/5522","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-7-0-9-released/5495","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-7-0-8-released/5137","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-7-0-7-released/4877","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2025-29917","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-29917","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10728","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10050","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23835","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23836","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-24568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-32663","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-32664","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-32867","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-37151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38535","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38536","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45795","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45796","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45797","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-47187","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-47188","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-47522","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55605","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55626","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55627","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55628","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55629","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29915","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29916","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29918","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-29917","title":"Suricata decode_base64: signature can do large memory allocation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","status":"published","published":"2025-04-10T21:00:05.924Z","modified":"2025-04-11T16:03:53.438Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:45.797843Z"}],"euvd":[{"id":"EUVD-2025-10710","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","status":"published","published":"2025-04-10T21:00:05Z","modified":"2025-04-11T16:03:53Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:34.493984Z"}],"nvd":[{"id":"CVE-2025-29917","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","status":"published","published":"2025-04-10T21:15:48.88Z","modified":"2026-06-17T09:05:52.863Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:11:00.087098Z"}],"osv":[{"id":"CVE-2025-29917","title":"Suricata decode_base64: signature can do large memory allocation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","status":"published","published":"2025-04-10T21:00:05.924Z","modified":"2026-10-28T10:58:55.000534926Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:44:47.708311Z"},{"id":"DEBIAN-CVE-2025-29917","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","status":"published","published":"2025-04-10T21:15:48.88Z","modified":"2026-09-01T20:04:52.49194799Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:45.870237Z"},{"id":"UBUNTU-CVE-2025-29917","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","status":"published","published":"2025-04-10T21:15:00Z","modified":"2026-10-17T12:57:26.963912165Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:55:26.330196Z"},{"id":"MGASA-2026-0181","title":"Updated suricata packages fix security vulnerabilities","description":"Various security, performance, accuracy, and stability issues have been\nfixed, plus we have moved to a supported version.\n","status":"published","published":"2026-06-09T05:29:33Z","modified":"2026-06-09T05:49:01.083847901Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2025:15394-1","title":"libsuricata8_0_0-8.0.0-1.1 on GA media","description":"These are all security issues fixed in the libsuricata8_0_0-8.0.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-07-28T00:00:00Z","modified":"2026-03-23T04:53:43.337191Z","updated_at":"2026-11-02T16:58:37.810934Z"}]}}