CVE-2016-2191

medium

Published 2016-04-13 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

6.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.5

Description

The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

Predictions

Exploit likelihood

75%

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

SUSE Affected 2 releases

Version	Status	Fixed in
42.1	Affected	—
13.2	Affected	—

Ubuntu Affected 3 releases

Version	Status	Fixed in
15.04	Affected	—
14.04	Affected	—
12.04	Affected	—

Debian Mixed 7 releases

Version	Status	Fixed in
trixie	Fixed	`0.7.6-1`
sid	Fixed	`0.7.6-1`
forky	Fixed	`0.7.6-1`
bullseye	Fixed	`0.7.6-1`
bookworm	Fixed	`0.7.6-1`
8.0	Affected	—
7.0	Affected	—

Application impact

Vendor	Product	Versions	Fixed
optipng	optipng	`0.7.2`

References

CWEs

CWE-119

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

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