CVE-2011-2691
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…
Does this matter?
Lower severity and a low EPSS score (3.86%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 3.86% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libpng/libpng · fedoraproject/fedora · debian/debian linux
- Source
- secalert@redhat.com
References
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlMailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=133951357207000&w=2Mailing List, Third Party Advisory
- http://secunia.com/advisories/45046Broken Link
- http://secunia.com/advisories/45405Broken Link
- http://secunia.com/advisories/45492Broken Link
- http://secunia.com/advisories/49660Broken Link
- http://security.gentoo.org/glsa/glsa-201206-15.xmlThird Party Advisory
- http://support.apple.com/kb/HT5002Third Party Advisory
- http://www.debian.org/security/2011/dsa-2287Third Party Advisory
- http://www.libpng.org/pub/png/libpng.htmlProduct, Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:151Broken Link
- http://www.openwall.com/lists/oss-security/2011/07/13/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/48660Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=720608Exploit, Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68537Third Party Advisory, VDB Entry
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlMailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=133951357207000&w=2Mailing List, Third Party Advisory
- http://secunia.com/advisories/45046Broken Link
- http://secunia.com/advisories/45405Broken Link
- http://secunia.com/advisories/45492Broken Link
- http://secunia.com/advisories/49660Broken Link
- http://security.gentoo.org/glsa/glsa-201206-15.xmlThird Party Advisory
- http://support.apple.com/kb/HT5002Third Party Advisory
- http://www.debian.org/security/2011/dsa-2287Third Party Advisory
- http://www.libpng.org/pub/png/libpng.htmlProduct, Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:151Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.