CVE catalog

CVE-2016-2191

optipng: CVE-2016-2191

Severity: Medium · CVSS 6.5CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Apr 4, 2016, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 3.52% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	optipng	sid	`7.9.1+ds-2`	fixed
Debian	optipng	forky	`7.9.1+ds-2`	fixed
Debian	optipng	trixie	`0.7.8+ds-1`	fixed
Debian	optipng	bookworm	`0.7.7-2`	fixed
Ubuntu	optipng	14.04	`0.6.4-1build1`	vulnerable
Ubuntu	optipng	14.04	`0.6.4-1ubuntu0.14.04.1`	fixed
Opensuse	optipng	tumbleweed	`0.7.6-1.4`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	optipng	source	sid	`0.7.6-1`	not yet assigned	Not reported	[820068]
Debian	optipng	source	forky	`0.7.6-1`	not yet assigned	Not reported	[820068]
Debian	optipng	source	trixie	`0.7.6-1`	not yet assigned	Not reported	[820068]
Debian	optipng	source	bookworm	`0.7.6-1`	not yet assigned	Not reported	[820068]
Ubuntu	optipng	deb	14.04	`0.6.4-1ubuntu0.14.04.1`	Not reported	UBUNTU-CVE-2016-2191	Not reported
Opensuse	optipng	rpm	tumbleweed	`0.7.6-1.4`	Not reported	OPENSUSE-SU-2024:10140-1	Not reported

[Debian bug #820068]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[optipng]Fixed
Source package: [optipng]
Details (2)
- 0.7.7-2+b1 · amd64 · bookworm
  Fixed · Fixed: 0.7.6-1
  dsa · optipng · debian · bookworm; dsa · optipng · debian · 12
- 0.7.7-2+b1 · arm64 · bookworm
  Fixed · Fixed: 0.7.6-1
  dsa · optipng · debian · bookworm; dsa · optipng · debian · 12

[Debian 13 (Trixie)]

[optipng]Fixed
Source package: [optipng]
Details (2)
- 0.7.8+ds-1+b1 · amd64 · trixie
  Fixed · Fixed: 0.7.6-1
  dsa · optipng · debian · 13
- 0.7.8+ds-1+b2 · arm64 · trixie
  Fixed · Fixed: 0.7.6-1
  dsa · optipng · debian · 13

[openSUSE Tumbleweed]

[optipng]Fixed
Source package: [optipng]
Details (1)
- 7.9.1-1.6 · x86_64 · tumbleweed
  Fixed · Fixed: 0.7.6-1.4
  dsa · optipng · opensuse · tumbleweed

Observed: Oct 23, 2026, 5:20:10 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]