CVE-2011-2501
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 6.0 | Affected | — |
| 5.0 | Affected | — |
Fedora Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 14 | Affected | — |
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.04 | Affected | — |
| 10.10 | Affected | — |
| 10.04 | Affected | — |
| 8.04 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libpng | libpng | {"startIncluding":"1.0.0","endExcluding":"1.0.55"} | 1.0.55 |
References
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
- http://secunia.com/advisories/45046
- http://secunia.com/advisories/45289
- http://secunia.com/advisories/45405
- http://secunia.com/advisories/45415
- http://secunia.com/advisories/45460
- http://secunia.com/advisories/45486
- http://secunia.com/advisories/45492
- http://secunia.com/advisories/49660
- http://security.gentoo.org/glsa/glsa-201206-15.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466
- http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement
- http://www.debian.org/security/2011/dsa-2287
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
- http://www.openwall.com/lists/oss-security/2011/06/27/13
- http://www.openwall.com/lists/oss-security/2011/06/28/16
- http://www.redhat.com/support/errata/RHSA-2011-1105.html
- http://www.securityfocus.com/bid/48474
- http://www.ubuntu.com/usn/USN-1175-1
- https://bugzilla.redhat.com/show_bug.cgi?id=717084
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68517
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
CWEs
CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.