CVE-2012-2840

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-13 · updated 2026-06-16
Weakness: CWE-189

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.

Affected products

libexif project libexif: through 0.6.20; 0.6.14, 0.6.15, 0.6.16, 0.6.18, 0.6.19

References

http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00015.html
http://rhn.redhat.com/errata/RHSA-2012-1255.html
http://secunia.com/advisories/49988
http://sourceforge.net/mailarchive/message.php?msg_id=29534027
http://www.debian.org/security/2012/dsa-2559
http://www.securityfocus.com/bid/54437
http://www.ubuntu.com/usn/USN-1513-1
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00015.html
http://rhn.redhat.com/errata/RHSA-2012-1255.html
http://secunia.com/advisories/49988
http://sourceforge.net/mailarchive/message.php?msg_id=29534027
http://www.debian.org/security/2012/dsa-2559

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