CVE-2025-1218

low
Assigned by CNA: php
Published 2026-09-25 · Modified 2026-09-25
CVSS v3
3.4
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
3.4

Description

The mysqlnd wire protocol parser reads fields out of server packets before checking that the packet still holds enough bytes for them. A malicious or compromised MySQL server can send a truncated packet and make the client read past the end of the packet buffer, which is undefined behaviour and can crash the process.

Predictions

Exploit likelihood
35%
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

debian Debian Affected 4 releases
VersionStatusFixed in
trixie Affected —
sid Affected —
forky Affected —
bookworm Affected —
alpine Alpine Fixed 1 release
VersionStatusFixed in
v3.24 Fixed 8.3.35-r0

References

CWEs

CWE-122

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

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