CVE-2020-27207 json
Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c.
published 2020-11-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19726
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- zetetic sqlcipher 4.4.1
Exploit prediction
1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
telekom.com
/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
third-party-advisory
-
github.com
/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1
third-party-advisory
-
telekom.com
/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf
third-party-advisory
Sources
- CVE List CVE-2020-27207
- NVD CVE-2020-27207
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.