CVE-2026-119373: SQLite before 3.54.0 built with FTS5 contains a heap buffer overflow in fts5MergeRowidLists() that undersizes

Q: How do I fix CVE-2026-119373?

sqlite: upgrade to 3.54.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-119373 being exploited?

CVE-2026-119373 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-119373 affect?

CVE-2026-119373 affects sqlite. Severity is high (CVSS 7.8). SQLite before 3.54.0 built with FTS5 contains a heap buffer overflow in fts5MergeRowidLists() that undersizes the output buffer when merging detail=none prefix doclists. Attackers who can populate a detail=none FTS5 table with negative rowi

Q: How urgent is CVE-2026-119373?

Priority 33/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADE

CVE-2026-119373 is a high-severity flaw (CVSS 7.8) affecting sqlite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQLite before 3.54.0 built with FTS5 contains a heap buffer overflow in fts5MergeRowidLists() that undersizes the output buffer when merging detail=none prefix doclists. Attackers who can populate a detail=none FTS5 table with negative rowids and run a prefix MATCH query can write past the allocation, corrupting heap memory and crashing the process.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-10-30
Last modified	2026-11-03

Publisher (CNA): VulnCheck · Vendor: sqlite

Last updated 2026-11-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-30 12:16 UTCPublished CVE record published
2026-11-03 16:09 UTCUpdated Record last modified

sqlite sqlite UPGRADE

Affected: < 3.54.0

Fixed in: 3.54.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sqlite || rpm -q sqlite || sqlite --version

2. UPGRADE to 3.54.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sqlite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sqlite

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Advisories and coverage

Research and news

Vulners Bulletins: ROOT-OS-DEBIAN-12-CVE-2026-119373 CVE-2026-119373 in sqlite3 - Patched by Root 2026-11-03
VulDB Recent Entries: CVE-2026-119373 | SQLite up to 3.53.x FTS5 fts5MergeRowidLists heap-based overflow 2026-10-30

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-119373?

sqlite: upgrade to 3.54.0. Exact commands for each OS are on this page.

Is CVE-2026-119373 being exploited?

CVE-2026-119373 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-119373 affect?

CVE-2026-119373 affects sqlite. Severity is high (CVSS 7.8). SQLite before 3.54.0 built with FTS5 contains a heap buffer overflow in fts5MergeRowidLists() that undersizes the output buffer when merging detail=none prefix doclists. Attackers who can populate a detail=none FTS5 table with negative rowi

How urgent is CVE-2026-119373?

Priority 33/100. High severity; Public exploit reference

Software pages

SQLite vulnerabilities

Related CVEs

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References

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