CVE-2011-2691
MEDIUM · CVSS 6.5EPSS 3.9%EU EUVD
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.
Key facts
- CVSS score
- 6.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H- Weakness (CWE)
- CWE-476
- EPSS score
- 3.9% (90th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2672)
- Published
- July 17, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2672 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- debian / debian linux
- debian / debian linux
- fedoraproject / fedora
- libpng / libpng
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.html(Mailing List, Third Party Advisory)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html(Mailing List, Third Party Advisory)
- http://marc.info/?l=bugtraq&m=133951357207000&w=2(Mailing List, Third Party Advisory)
- http://secunia.com/advisories/45046(Broken Link)
- http://secunia.com/advisories/45405(Broken Link)
- http://secunia.com/advisories/45492(Broken Link)
- http://secunia.com/advisories/49660(Broken Link)
- http://security.gentoo.org/glsa/glsa-201206-15.xml(Third Party Advisory)
- http://support.apple.com/kb/HT5002(Third Party Advisory)
- http://www.debian.org/security/2011/dsa-2287(Third Party Advisory)
- http://www.libpng.org/pub/png/libpng.html(Product, Vendor Advisory)
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:151(Broken Link)
- http://www.openwall.com/lists/oss-security/2011/07/13/2(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/48660(Third Party Advisory, VDB Entry)
- https://bugzilla.redhat.com/show_bug.cgi?id=720608(Exploit, Issue Tracking, Patch, Third Party Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68537(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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