CVE-2016-6128

high

Published 2016-08-07 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.5

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

The gdImageCropThreshold function in gd_crop.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 7.0.9, allows remote attackers to cause a denial of service (application crash) via an invalid color index.

Predictions

Exploit likelihood

83%

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	bookworm	fixed	`2.2.2-29-g3c2b605-1`
debian	bullseye	fixed	`2.2.2-29-g3c2b605-1`
debian	forky	fixed	`2.2.2-29-g3c2b605-1`
debian	sid	fixed	`2.2.2-29-g3c2b605-1`
debian	trixie	fixed	`2.2.2-29-g3c2b605-1`
debian	8.0	affected
suse	42.1	affected
ubuntu	12.04	affected
ubuntu	14.04	affected
ubuntu	15.10	affected
ubuntu	16.04	affected

Application impact

Vendor	Product	Versions	Fixed
libgd	libgd	`{"endIncluding":"2.2.2"}`
php	php	`{"startIncluding":"5.6.0","endIncluding":"5.6.24"}`

References

CWEs

CWE-20

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

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