{"id":"CVE-2025-64335","aliases":["ALPINE-CVE-2025-64335","DEBIAN-CVE-2025-64335","EUVD-2025-199776","GHSA-v299-h7p3-q4f2","UBUNTU-CVE-2025-64335","openSUSE-SU-2026:10082-1"],"status":"published","title":"Suricata is vulnerable to a null deref when used with base64_data","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00441,"percentile":0.386,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2025-11-26T22:39:23Z","modified":"2026-11-03T06:33:01Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"suricata","fixed_in":["8.0.2-r0"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:8.0.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.0.2-r0"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.0.2-1"}]}],"versions":["1:7.0.10-1","1:7.0.11-1","1:7.0.11-1~bpo13+1","1:8.0.0-1~exp1","1:8.0.0-1~exp2","1:8.0.0-1~exp4","1:8.0.0-1~exp5","1:8.0.1-1","1:8.0.1-2","1:8.0.1-3","1:8.0.1-3~bpo13+1","1:8.0.2-1~bpo13+1"]},{"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":"openSUSE:Tumbleweed","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.3-1.1"}]}],"bundled":14}],"products":[{"vendor":"oisf","product":"suricata"}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-v299-h7p3-q4f2","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory","report"]},{"url":"https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-64335-detect-suricata-vulnerability","tags":["web"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-64335-mitigate-suricata-vulnerability","tags":["web"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2025-64335","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64335.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64335","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-64335","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-64335","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-64335","tags":["report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/7959","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64330","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64331","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64332","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64333","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64334","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64335","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64344","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22258","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22259","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22260","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22261","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22262","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22263","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22264","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-64335","title":"Suricata is vulnerable to a null deref when used with base64_data","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T22:39:23.203Z","modified":"2025-12-12T15:13:01.395Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:32:46.750177Z"}],"euvd":[{"id":"EUVD-2025-199776","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T22:39:23Z","modified":"2025-12-12T15:13:01Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:05.821921Z"}],"nvd":[{"id":"CVE-2025-64335","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T23:15:48.913Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:11:46.94029Z"}],"osv":[{"id":"ALPINE-CVE-2025-64335","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T23:15:48.913Z","modified":"2026-11-03T06:33:01.061248481Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:15:53.944853Z"},{"id":"CVE-2025-64335","title":"Suricata is vulnerable to a null deref when used with base64_data","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T22:39:23.203Z","modified":"2026-10-28T11:00:24.940643092Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:51.851511Z"},{"id":"DEBIAN-CVE-2025-64335","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T23:15:48.913Z","modified":"2026-10-23T17:47:38.857260668Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:47.697959Z"},{"id":"UBUNTU-CVE-2025-64335","description":"Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.","status":"published","published":"2025-11-26T23:15:00Z","modified":"2026-01-20T18:37:58.726225Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:52.345622Z"},{"id":"openSUSE-SU-2026:10082-1","title":"libsuricata8_0_3-8.0.3-1.1 on GA media","description":"These are all security issues fixed in the libsuricata8_0_3-8.0.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-22T00:00:00Z","modified":"2026-03-23T04:54:26.22943Z","updated_at":"2026-11-02T16:58:38.101535Z"}]}}