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CVE-2011-1141

17
FAUCET Score

CVE-2011-1141 describes a denial-of-service vulnerability in Wireshark versions 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3. Remote attackers can exploit this by sending specially crafted LDAP filter strings, either excessively long or containing numerous elements, leading to memory exhaustion. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact, with no confidentiality or integrity compromise. 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
1.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.0:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.53%
Probability of exploitation in next 30 days
EPSS Percentile
88.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0353 is in the 83rd 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-2011-1141Low

Wireshark: Malformed LDAP filter string causes Denial of Service via excessive memory consumption

Mar 1, 2011

References

anonsvn.wireshark.org / viewvc
Patch
lists.fedoraproject.org / pipermail/package-announce/2011-March/055650.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/055664.html
bugs.wireshark.org / bugzilla/show_bug.cgi
Exploit
secunia.com / advisories/43759
secunia.com / advisories/43795
secunia.com / advisories/43821
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14974
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
redhat.com / support/errata/RHSA-2011-0370.html
securitytracker.com / id
vupen.com / english/advisories/2011/0622
vupen.com / english/advisories/2011/0719
vupen.com / english/advisories/2011/0747
wireshark.org / docs/relnotes/wireshark-1.2.15.html
Patch
wireshark.org / docs/relnotes/wireshark-1.4.4.html
Patch
wireshark.org / security/wnpa-sec-2011-03.html
Vendor Advisory
wireshark.org / security/wnpa-sec-2011-04.html
Vendor Advisory