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Fencer Intel
medium 4.3

CVE-2011-1141 json

epan/dissectors/packet-ldap.c in Wireshark 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3 allows remote attackers to cause a denial o…

published 2011-03-03 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1155

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

epan/dissectors/packet-ldap.c in Wireshark 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3 allows remote attackers to cause a denial of service (memory consumption) via (1) a long LDAP filter string or (2) an LDAP filter string containing many elements.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.4.4-1

debian advisories DEBIAN-CVE-2011-1141

  • wireshark RHEL 4 1.0.15-2.el4
  • wireshark RHEL 5 1.0.15-1.el5_6.4
  • wireshark-gnome RHEL 4 1.0.15-2.el4
  • wireshark-gnome RHEL 5 1.0.15-1.el5_6.4
  • wireshark RHEL 6 1.2.15-1.el6_0.1
  • wireshark-gnome RHEL 6 1.2.15-1.el6_0.1

red hat advisories RHSA-2011:0370RHSA-2011:0369

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1141 updated cvss 2.9

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

  • Red Hat Enterprise Linux (v. 5.6.z server) wireshark 1.0.15-1.el5_6.4, wireshark-gnome 1.0.15-1.el5_6.4 Red Hat Enterprise Linux AS version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4
    fixed: vendor fix RHSA-2011:0370
  • Red Hat Enterprise Linux Desktop (v. 6) wireshark 1.2.15-1.el6_0.1, wireshark-gnome 1.2.15-1.el6_0.1 Red Hat Enterprise Linux Desktop Optional (v. 6) wireshark 1.2.15-1.el6_0.1, wireshark-gnome 1.2.15-1.el6_0.1
    fixed: vendor fix RHSA-2011:0369
  • Red Hat Enterprise Linux Desktop version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4 Red Hat Enterprise Linux ES version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4
    fixed: vendor fix RHSA-2011:0370
  • Red Hat Enterprise Linux Server (v. 6) wireshark 1.2.15-1.el6_0.1, wireshark-gnome 1.2.15-1.el6_0.1 Red Hat Enterprise Linux Server Optional (v. 6) wireshark 1.2.15-1.el6_0.1, wireshark-gnome 1.2.15-1.el6_0.1 Red Hat Enterprise Linux Workstation (v. 6) wireshark 1.2.15-1.el6_0.1, wireshark-gnome 1.2.15-1.el6_0.1 Red Hat Enterprise Linux Workstation Optional (v. 6) wireshark 1.2.15-1.el6_0.1, wireshark-gnome 1.2.15-1.el6_0.1
    fixed: vendor fix RHSA-2011:0369
  • Red Hat Enterprise Linux WS version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4
    fixed: vendor fix RHSA-2011:0370

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.53% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.wireshark.org https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5732 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.