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CVE-2011-2692

29
FAUCET Score

CVE-2011-2692 is a memory corruption vulnerability in the libpng library (versions 1.0.x, 1.2.x, 1.4.x, and 1.5.x) that affects products like Canonical, Debian, and Fedora. An attacker can exploit this by crafting a malicious PNG image, leading to a denial of service (application crash) and potentially other impacts due to reading uninitialized memory. This vulnerability has a high CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.0, < 1.0.55CPE matchmatch criteria
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
>= 1.2.0, < 1.2.45CPE matchmatch criteria
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
>= 1.4.0, < 1.4.8CPE matchmatch criteria
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
>= 1.5.0, < 1.5.4CPE matchmatch criteria
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
14CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.23%
Probability of exploitation in next 30 days
EPSS Percentile
90.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0423 is in the 90th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: libpng-2:1.2.7-8.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: libpng10-0:1.0.16-9.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libpng-2:1.2.10-7.1.el5_7.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libpng-2:1.2.46-1.el6_1
View patch

Vendor Advisories (1)

redhatCVE-2011-2692Moderate

libpng: Invalid read when handling empty sCAL chunks

Jul 7, 2011

References

libpng.git.sourceforge.net / git/gitweb.cgi
lists.apple.com / archives/Security-announce/2011//Oct/msg00003.html
Mailing ListThird Party Advisory
lists.apple.com / archives/security-announce/2012/May/msg00001.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2011-July/063118.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
secunia.com / advisories/45046
Broken Link
secunia.com / advisories/45405
Broken Link
secunia.com / advisories/45415
Broken Link
secunia.com / advisories/45445
Broken Link
secunia.com / advisories/45460
Broken Link
secunia.com / advisories/45461
Broken Link
secunia.com / advisories/45492
Broken Link
secunia.com / advisories/49660
Broken Link
security.gentoo.org / glsa/glsa-201206-15.xml
Third Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/68536
Third Party AdvisoryVDB Entry
sourceforge.net / mailarchive/forum.php
ExploitIssue TrackingThird Party Advisory
support.apple.com / kb/HT5002
Third Party Advisory
support.apple.com / kb/HT5281
Third Party Advisory
debian.org / security/2011/dsa-2287
Third Party Advisory
kb.cert.org / vuls/id/819894
Third Party AdvisoryUS Government Resource
libpng.org / pub/png/libpng.html
ProductVendor Advisory
mandriva.com / security/advisories
Broken Link
openwall.com / lists/oss-security/2011/07/13/2
Mailing ListThird Party Advisory
redhat.com / support/errata/RHSA-2011-1103.html
Broken Link
redhat.com / support/errata/RHSA-2011-1104.html
Broken Link
redhat.com / support/errata/RHSA-2011-1105.html
Broken Link
securityfocus.com / bid/48618
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1175-1
Third Party Advisory