{"id":"CVE-2020-27207","aliases":["EUVD-2020-19726","GHSA-x3vj-997j-97hq","UBUNTU-CVE-2020-27207"],"status":"published","title":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and...","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01592,"percentile":0.75887,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-11-26T16:41:57Z","modified":"2026-10-20T10:52:59Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"sqlcipher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.0-1.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"sqlcipher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1-1","3.4.1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"sqlcipher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1-1build2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"sqlcipher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1-2","3.4.1-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"sqlcipher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1-2build1","4.5.5-3","4.5.6-1","4.5.6-1build1","4.5.6-1build2"]}],"products":[{"vendor":"zetetic","product":"sqlcipher"}],"references":[{"url":"https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27207"},{"url":"https://github.com/advisories/GHSA-x3vj-997j-97hq"},{"url":"https://ubuntu.com/security/CVE-2020-27207","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27207","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-27207","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","status":"published","published":"2020-11-26T16:41:57Z","modified":"2024-08-04T16:11:36.111Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19726","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","status":"published","published":"2020-11-26T16:41:57Z","modified":"2024-08-04T16:11:36Z","updated_at":"2026-11-03T03:07:13.515696Z"}],"ghsa":[{"id":"GHSA-x3vj-997j-97hq","title":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and...","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","status":"published","published":"2022-05-24T17:34:58Z","modified":"2023-01-29T05:04:34Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:45:35.654176Z"}],"nvd":[{"id":"CVE-2020-27207","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","status":"published","published":"2020-11-26T17:15:11.113Z","modified":"2026-06-17T03:08:56.283Z","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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"CVE-2020-27207","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","status":"published","published":"2020-11-26T17:15:11.113Z","modified":"2026-10-20T10:52:59.443124106Z","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":"2026-11-02T15:44:16.248747Z"},{"id":"UBUNTU-CVE-2020-27207","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","status":"published","published":"2020-11-26T17:15:00Z","modified":"2026-04-22T12:37:25.777161Z","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":"2026-11-02T15:54:24.541803Z"}]}}