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TI-2011-00465 Aliases CVE-2011-0538GHSA-mh8c-wx62-vg9v

Wireshark 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0 frees an uninitialized…

Priority MEDIUM 40CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Wireshark 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0 frees an uninitialized pointer during processing of a .pcap file in the pcap-ng format, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a malformed file.

Why it matters now

EPSS 0.07508 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*1.2.0VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*1.2.3VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*1.2.4VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.5:*:*:*:*:*:*:*1.2.5VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.6:*:*:*:*:*:*:*1.2.6VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.7:*:*:*:*:*:*:*1.2.7VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.8:*:*:*:*:*:*:*1.2.8VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.9:*:*:*:*:*:*:*1.2.9VulnerableWireshark Foundation
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:wireshark:wireshark:1.2.10:*:*:*:*:*:*:*1.2.10VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.11:*:*:*:*:*:*:*1.2.11VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.12:*:*:*:*:*:*:*1.2.12VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.13:*:*:*:*:*:*:*1.2.13VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.2.14:*:*:*:*:*:*:*1.2.14VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:*1.4.0VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*1.4.1VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:*1.4.2VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:*1.4.3VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.5.0:*:*:*:*:*:*:*1.5.0VulnerableWireshark Foundation

Remediation

Red Hat 2 advisories

  • RHSA-2011:0370 Released 2011-03-21 · Red Hat rating Moderate
    wireshark security update
    • Red Hat Enterprise Linux (v. 5.6.z server) wireshark-1.0.15-1.el5_6.4, wireshark-1.0.15-1.el5_6.4.i386, wireshark-1.0.15-1.el5_6.4.ia64 +5
    • Red Hat Enterprise Linux AS version 4 wireshark-1.0.15-2.el4, wireshark-1.0.15-2.el4.i386, wireshark-1.0.15-2.el4.ia64 +5
    • Red Hat Enterprise Linux Desktop version 4 wireshark-1.0.15-2.el4, wireshark-1.0.15-2.el4.i386, wireshark-gnome-1.0.15-2.el4 +1
    • Red Hat Enterprise Linux ES version 4 wireshark-1.0.15-2.el4, wireshark-1.0.15-2.el4.i386, wireshark-1.0.15-2.el4.ia64 +3
    • Red Hat Enterprise Linux WS version 4 wireshark-1.0.15-2.el4, wireshark-1.0.15-2.el4.i386, wireshark-1.0.15-2.el4.ia64 +3
  • RHSA-2011:0369 Released 2011-03-21 · Red Hat rating Moderate
    wireshark security update
    • Red Hat Enterprise Linux Desktop (v. 6) wireshark-1.2.15-1.el6_0.1
    • Red Hat Enterprise Linux Desktop Optional (v. 6) wireshark-1.2.15-1.el6_0.1, wireshark-devel-1.2.15-1.el6_0.1, wireshark-gnome-1.2.15-1.el6_0.1
    • Red Hat Enterprise Linux Server (v. 6) wireshark-1.2.15-1.el6_0.1, wireshark-1.2.15-1.el6_0.1.ppc
    • Red Hat Enterprise Linux Server Optional (v. 6) wireshark-1.2.15-1.el6_0.1, wireshark-devel-1.2.15-1.el6_0.1, wireshark-devel-1.2.15-1.el6_0.1.ppc +1
    • Red Hat Enterprise Linux Workstation (v. 6) wireshark-1.2.15-1.el6_0.1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) wireshark-1.2.15-1.el6_0.1, wireshark-devel-1.2.15-1.el6_0.1, wireshark-gnome-1.2.15-1.el6_0.1

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5.6.z server)Fixed RHSA-2011:0370
Red Hat Enterprise Linux AS version 4Fixed RHSA-2011:0370
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:0369
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2011:0369
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2011:0370
Red Hat Enterprise Linux ES version 4Fixed RHSA-2011:0370
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0369
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:0369
Red Hat Enterprise Linux WS version 4Fixed RHSA-2011:0370
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:0369
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2011:0369

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-0538
  2. 2026-10-03 Alias added: GHSA-mh8c-wx62-vg9v

References

Exploit 1

Patch 1

Advisory 12

Other 6

  • TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
  • TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
  • TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
  • TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
  • TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3
See all 794 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences