CVE-2012-2840

Description

Off-by-one error in the exif_convert_utf16_to_utf8 function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted EXIF tags in an image.

How to fix CVE-2012-2840

To remediate CVE-2012-2840, upgrade the affected package to a fixed version below.

• Alpine/libexif—upgrade to 0.6.21-r0 or later
• Debian/libexif—upgrade to 0.6.20-3 or later

Is CVE-2012-2840 being exploited?

Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• from 0, < 0.6.21-r0
• from 0, < 0.6.20-3

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2012-2840
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2012-2840