CVE-2026-119373 SQLite - Buffer Overflow

SQLite < 3.54.0 built with FTS5 contains a heap buffer overflow caused by undersized output buffer in fts5MergeRowidLists() when merging detail=none prefix doclists, letting attackers corrupt heap memory and crash the process, exploit requires ability to populate detail=none FTS5 table with negative rowids and run prefix MATCH query.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-787

Vendor fix

Update to version 3.54.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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