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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…
Medium6.5EPSS 3.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.8% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (17)
- 49660 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 48660 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=720608 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45046 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- libpng-pngdefaulterror-dos(68537) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- MDVSA-2011:151 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- GLSA-201206-15 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://www.libpng.org/pub/png/libpng.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2011-9336 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- DSA-2287 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- APPLE-SA-2011-10-12-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 45405 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20110713 Security issues fixed in libpng 1.5.4 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- SSRT100852 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://support.apple.com/kb/HT5002 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45492 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .