CVE-2026-50812

NameCVE-2026-50812
DescriptionA NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e807d4e3798efd53 allows an attacker who can supply a malformed changeset blob to cause a denial of service. The issue occurs when sqlite3changeset_apply_v3() applies a corrupt changeset and reaches sqlite3_value_type() with a NULL sqlite3_value pointer.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
sqlite3 (PTS)bullseye3.34.1-3vulnerable
bullseye (security)3.34.1-3+deb11u1vulnerable
bookworm3.40.1-2+deb12u2vulnerable
trixie3.46.1-7+deb13u1vulnerable
forky3.53.3-1fixed
sid3.53.4-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sqlite3source(unstable)3.53.2-1

Notes

[trixie] - sqlite3 <no-dsa> (Minor issue)
[bookworm] - sqlite3 <postponed> (Minor issue, DoS)
[bullseye] - sqlite3 <postponed> (Minor issue, DoS)
https://sqlite.org/src/info/e807d4e3798efd53

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