CVE-2026-119379: Memory Corruption (CVSS 7.8)

Description

SQLite before 3.54.0 built with the session extension contains a heap buffer overflow vulnerability in sqlite3changeset_apply() that allows attackers to corrupt heap memory by supplying crafted changesets. Attackers can repeat a table name in a second changeset block with a larger column count, causing sessionUpdateFind() to memset past the undersized aUpdateMask allocation.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0028

Probability of exploitation

0.21%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

References

Other References

https://abraxaslabs.tech/research/sqlite-session-ncol https://github.com/sqlite/sqlite https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/session/sqlite3session.c#L5619 https://github.com/sqlite/sqlite/commit/64459c87cc702d600704fb77ee40ca1782398a52 https://sqlite.org/bugs/info/2026-08-16T10:15:25Z https://sqlite.org/releaselog/3_54_0.html https://sqlite.org/src/info/3f57024aecea0f3b https://www.vulncheck.com/advisories/sqlite-before-3.54.0-heap-buffer-overflow-via-session-extension-sessionupdatefind

Frequently Asked Questions

What is CVE-2026-119379? +

SQLite before 3.54.0 built with the session extension contains a heap buffer overflow vulnerability in sqlite3changeset_apply() that allows attackers to corrupt heap memory by supplying crafted changesets. Attackers can repeat a table name in a second changeset block with a larger column count, causing sessionUpdateFind() to memset past the undersized aUpdateMask allocation. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-119379? +

CVE-2026-119379 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0028, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-119379? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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