CVE-2011-2692
The png_handle_sCAL function in pngrutil.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 does not properly handle invalid sCAL chunks, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted PNG image that triggers the reading of uninitialized memory.
Key facts
- CVSS score
- 8.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-119
- EPSS score
- 4.2% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2673)
- 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-2011-2673 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- 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=61a2d8a2a7b03023e63eae9a3e64607aaaa6d339
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html(Mailing List, Third Party Advisory)
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html(Mailing List, Third Party Advisory)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html(Mailing List, Third Party Advisory)
- http://secunia.com/advisories/45046(Broken Link)
- http://secunia.com/advisories/45405(Broken Link)
- http://secunia.com/advisories/45415(Broken Link)
- http://secunia.com/advisories/45445(Broken Link)
- http://secunia.com/advisories/45460(Broken Link)
- http://secunia.com/advisories/45461(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://sourceforge.net/mailarchive/forum.php?thread_name=003101cc2790%24fb5d6e80%24f2184b80%24%40acm.org&forum_name=png-mng-implement(Exploit, Issue Tracking, Third Party Advisory)
- http://support.apple.com/kb/HT5002(Third Party Advisory)
- http://support.apple.com/kb/HT5281(Third Party Advisory)
- http://www.debian.org/security/2011/dsa-2287(Third Party Advisory)
- http://www.kb.cert.org/vuls/id/819894(Third Party Advisory, US Government Resource)
- 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.redhat.com/support/errata/RHSA-2011-1103.html(Broken Link)
- http://www.redhat.com/support/errata/RHSA-2011-1104.html(Broken Link)
- http://www.redhat.com/support/errata/RHSA-2011-1105.html(Broken Link)
- http://www.securityfocus.com/bid/48618(Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/USN-1175-1(Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=720612(Issue Tracking, Patch, Third Party Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68536(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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