{"id":"CVE-2022-26635","aliases":["ALPINE-CVE-2022-26635","AZL-112994","AZL-9342","EUVD-2022-31189","GHSA-hph6-79wj-qqmw"],"status":"disputed","title":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to...","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.21437,"percentile":0.9763,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-04-05T17:00:33Z","modified":"2026-11-10T14:17:41Z","fixes":[{"ecosystem":"Azure Linux:2","package":"memcached","fixed_in":["1.6.22-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"memcached","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.6.27-6"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"memcached","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.22-1"}]}]}],"products":[{"vendor":"php","product":"memcached"}],"references":[{"url":"https://xhzeem.me/posts/Php5-memcached-Injection-Bypass/read/","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/php-memcached-dev/php-memcached/issues/519","tags":["x_transferred","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26635","tags":["web","advisory"]},{"url":"https://xhzeem.me/posts/Php5-memcached-Injection-Bypass/read"},{"url":"https://github.com/advisories/GHSA-hph6-79wj-qqmw"},{"url":"https://security.alpinelinux.org/vuln/CVE-2022-26635","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/26xxx/CVE-2022-26635.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-26635","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"disputed","published":"2022-04-05T17:00:33Z","modified":"2024-08-03T05:11:43.291Z","updated_at":"2026-11-02T14:34:25.954329Z"}],"euvd":[{"id":"EUVD-2022-31189","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"published","published":"2022-04-05T17:00:33Z","modified":"2024-08-03T05:11:43Z","updated_at":"2026-11-03T03:25:44.694159Z"}],"ghsa":[{"id":"GHSA-hph6-79wj-qqmw","title":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to...","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection.","status":"published","published":"2022-04-06T00:01:28Z","modified":"2024-05-31T05:04:41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:57:24.376732Z"}],"nvd":[{"id":"CVE-2022-26635","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"disputed","published":"2022-04-05T17:15:08.477Z","modified":"2026-06-17T04:35:33.66Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:14.706146Z"}],"osv":[{"id":"ALPINE-CVE-2022-26635","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"withdrawn","published":"2022-04-05T17:15:08.477Z","modified":"2026-07-14T08:03:30.79297838Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:27:49.202584Z"},{"id":"AZL-112994","title":"CVE-2022-26635 affecting package memcached 1.6.27-6","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"published","published":"2022-04-05T17:15:08Z","modified":"2026-11-10T14:17:41.039674351Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-10T15:02:19.085067Z"},{"id":"AZL-9342","title":"CVE-2022-26635 affecting package memcached for versions less than 1.6.22-1","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"published","published":"2022-04-05T17:15:08Z","modified":"2026-04-21T04:35:01.873167Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:28:11.723718Z"},{"id":"CVE-2022-26635","description":"PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.","status":"published","published":"2022-04-05T17:00:33Z","modified":"2026-10-28T02:31:09.558772543Z","updated_at":"2026-11-02T15:44:24.758293Z"}]}}