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CVE-2011-0538

35
FAUCET Score

CVE-2011-0538 describes a memory corruption vulnerability in Wireshark versions 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0. This flaw allows remote attackers to trigger a denial of service or potentially other impacts by providing a specially crafted .pcap-ng file that causes the software to free an uninitialized pointer. The vulnerability has a CVSS score of 6.8, indicating a medium severity. It can be exploited remotely with medium attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. While not listed on the CISA KEV catalog, an exploit for Wireshark 1.4.3 is publicly available on ExploitDB (EDB-35314). Despite this, there is no evidence of active exploitation, and the CVE has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*
1.2.4CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*

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
7.51%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-35314 · Feb 3, 2011
This CVE's current EPSS score of 0.0751 is in the 93rd percentile among its peer group of 19,956 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 (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: wireshark-0:1.0.15-2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark-0:1.0.15-1.el5_6.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark-0:1.2.15-1.el6_0.1
View patch

Vendor Advisories (1)

redhatCVE-2011-0538Low

Wireshark: memory corruption when reading a malformed pcap file (upstream bug #5652)

Feb 3, 2011

References

lists.fedoraproject.org / pipermail/package-announce/2011-March/055364.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/055650.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/055664.html
openwall.com / lists/oss-security/2011/02/04/1
Patch
bugs.wireshark.org / bugzilla/show_bug.cgi
ExploitPatch
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/43759
Vendor Advisory
secunia.com / advisories/43795
Vendor Advisory
secunia.com / advisories/43821
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/65182
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14605
debian.org / security/2011/dsa-2201
kb.cert.org / vuls/id/215900
US Government Resource
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2011-0369.html
Vendor Advisory
redhat.com / support/errata/RHSA-2011-0370.html
Vendor Advisory
securityfocus.com / bid/46167
Exploit
securitytracker.com / id
vupen.com / english/advisories/2011/0622
Vendor Advisory
vupen.com / english/advisories/2011/0626
Vendor Advisory
vupen.com / english/advisories/2011/0719
Vendor Advisory
vupen.com / english/advisories/2011/0747
Vendor Advisory
wireshark.org / docs/relnotes/wireshark-1.2.15.html
wireshark.org / docs/relnotes/wireshark-1.4.4.html
wireshark.org / security/wnpa-sec-2011-03.html
wireshark.org / security/wnpa-sec-2011-04.html