CVE-2016-2191

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-04-13 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.04
Debian Linux: 7.0, 8.0
openSUSE Leap: 42.1
Opensuse: 13.2
Optipng: 0.7.2

References

http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html
http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html
http://seclists.org/fulldisclosure/2016/Apr/15
http://www.debian.org/security/2016/dsa-3546
http://www.openwall.com/lists/oss-security/2016/04/04/2
http://www.securityfocus.com/archive/1/537972/100/0/threaded
http://www.ubuntu.com/usn/USN-2951-1
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/59/
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html

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