CVE-2026-6474

medium

Published 2026-05-14 · Modified 2026-05-18

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CVSS v3

4.3

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

4.3

Description

Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Predictions

Exploit likelihood

53%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	trixie	fixed	`17.10-0+deb13u1`
debian	bullseye	affected
debian	bookworm	fixed	`15.18-0+deb12u1`
debian	forky	fixed	`18.4-1`
debian	sid	fixed	`18.4-1`
windows		affected

Application impact

Vendor	Product	Versions	Fixed
postgresql	postgresql	`{"endExcluding":"14.23"}`	`14.23`
postgresql	postgresql	`{"startIncluding":"15.0","endExcluding":"15.18"}`	`15.18`
postgresql	postgresql	`{"startIncluding":"16.0","endExcluding":"16.14"}`	`16.14`
postgresql	postgresql	`{"startIncluding":"17.0","endExcluding":"17.10"}`	`17.10`
postgresql	postgresql	`{"startIncluding":"18.0","endExcluding":"18.4"}`	`18.4`

References

CWEs

CWE-134

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.