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CVE-2011-2501
The png_format_buffer 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…
Medium6.5EPSS 3.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.
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)
- 3.5% · top 11% 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 (23)
- 49660 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45046 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1175-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2011:151 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 48474 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=717084 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SSA:2011-210-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
- GLSA-201206-15 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20110627 CVE request for libpng regression (CVE-2004-0421) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2011-8868 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- libpng-pngerror-dos(68517) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 45289 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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
- http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45405 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2011:1105 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20110628 Re: CVE request for libpng regression (CVE-2004-0421) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 45460 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45486 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45492 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45415 (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 .