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CVE-2011-2696

24
FAUCET Score

CVE-2011-2696 describes an integer overflow vulnerability in libsndfile versions prior to 1.0.25, specifically affecting the mega_nerd libsndfile product. This flaw allows remote attackers to trigger a heap-based buffer overflow by providing a specially crafted PARIS Audio Format (PAF) file. The vulnerability has a CVSS score of 6.8, indicating a medium severity risk, as it can lead to a denial of service (application crash) or potentially arbitrary code execution. There is no evidence of active exploitation, nor is exploit code publicly available on platforms like Metasploit or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.24CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:*:*:*:*:*:*:*:*
0.0.8CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:0.0.8:*:*:*:*:*:*:*
0.0.28CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:0.0.28:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:1.0.0:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:1.0.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.65%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0465 is in the 88th percentile among its peer group of 19,955 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libsndfile-0:1.0.20-3.el6_1.1
View patch

Vendor Advisories (1)

redhatCVE-2011-2696Moderate

libsndfile: Application crash due integer overflow by processing certain PAF audio files

Jul 12, 2011

References

lists.fedoraproject.org / pipermail/package-announce/2011-July/062955.html
bugs.gentoo.org / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/45125
Vendor Advisory
secunia.com / advisories/45351
Vendor Advisory
secunia.com / advisories/45384
secunia.com / advisories/45388
secunia.com / advisories/45433
hermes.opensuse.org / messages/10387521
debian.org / security/2011/dsa-2288
mandriva.com / security/advisories
mega-nerd.com / libsndfile/ChangeLog
openwall.com / lists/oss-security/2011/07/14/1
openwall.com / lists/oss-security/2011/07/14/2
openwall.com / lists/oss-security/2011/07/14/3
openwall.com / lists/oss-security/2011/07/14/4
openwall.com / lists/oss-security/2011/07/15/1
openwall.com / lists/oss-security/2011/07/15/3
openwall.com / lists/oss-security/2011/07/15/4
openwall.com / lists/oss-security/2011/07/18/1
redhat.com / support/errata/RHSA-2011-1084.html
securelist.com / en/advisories/45125
securityfocus.com / bid/48644
ubuntu.com / usn/USN-1174-1