High severity7.5NVD Advisory· Published Nov 26, 2020· Updated Jun 17, 2026

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.

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Affected products

Zetetic/SQLCipherdescription
Zetetic/SQLCipher2 versions
cpe:2.3:a:zetetic:sqlcipher:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:zetetic:sqlcipher:*:*:*:*:*:*:*:*range: >=4.0,<4.4.1
- (no CPE)range: <4.4.1

Patches

Vulnerability mechanics

References

github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1nvdThird Party Advisory
www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842nvdThird Party Advisory
www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdfnvdThird Party Advisory

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000