SQLite before 3.54.0 contains an information disclosure vulnerability that allows attackers to read uninitialized page-cache memory by…
CVE-2026-119375
SQLite before 3.54.0 contains an information disclosure vulnerability that allows attackers to read uninitialized page-cache memory by supplying a WAL file with an undersized page size. Attackers can craft a database and WAL file whose oversized record payload makes queries like substr() return stale bytes, disclosing other table rows and internal pointers.
Assessment
- CVSS
- 6.8 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 30 October 2026
- Last updated
- 3 November 2026
- Weakness
- CWE-908
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
At the source
References
- https://abraxaslabs.tech/research/sqlite-wal-pagesize
- https://github.com/sqlite/sqlite
- https://github.com/sqlite/sqlite/blob/version-3.53.4/src/wal.c#L3672
- https://github.com/sqlite/sqlite/commit/e5bf119821f25be1d7f10ef0a2edbe175289166e
- https://sqlite.org/bugs/info/2026-08-17T15:54:41Z
- https://sqlite.org/releaselog/3_54_0.html
- https://sqlite.org/src/info/f9b4ee369557c36c
- https://www.vulncheck.com/advisories/sqlite-before-3.54.0-information-disclosure-via-wal-page-size-mismatch
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