CVE-2011-2691

MEDIUM

libpng 1.0.0-1.0.54, 1.2.0-1.2.44, 1.4.0-1.4.7, 1.5.0-1.5.3 - Denial of Service via NULL Pointer Dereference in png_err

Title source: llm
STIX 2.1

Description

The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.

References (17)

Core 17
Core References
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/49660
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/48660
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=720608
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/45046
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/68537
Broken Link vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201206-15.xml
Product, Vendor Advisory x_refsource_confirm
http://www.libpng.org/pub/png/libpng.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2011/dsa-2287
Mailing List, Third Party Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/45405
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/07/13/2
Mailing List, Third Party Advisory vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=133951357207000&w=2
Third Party Advisory x_refsource_confirm
http://support.apple.com/kb/HT5002
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/45492

Scores

CVSS v3 6.5
EPSS 0.0386
EPSS Percentile 88.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (4)
debian/debian_linux 5.0
debian/debian_linux 6.0
fedoraproject/fedora 14
libpng/libpng 1.0.0 - 1.0.55
Published Jul 17, 2011
Tracked Since Feb 18, 2026