Vulnerability · Published Sep 29, 2026 · Assigned by GitLab

CVE-2026-95392Buffer Over-read in Wireshark

Medium 5.5

In plain English

A medium-severity security flaw in Wireshark from Wireshark Foundation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 95.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

MBIM protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wiresharkno fix listedDEBIAN-CVE-2026-95392
Debian:13wireshark4.4.19-0+deb13u1DEBIAN-CVE-2026-95392
Debian:14wireshark4.6.9-1DEBIAN-CVE-2026-95392
Ubuntu:24.04:LTSwiresharkno fix listedUBUNTU-CVE-2026-95392
Ubuntu:26.04:LTSwiresharkno fix listedUBUNTU-CVE-2026-95392
Ubuntu:26.10wiresharkno fix listedUBUNTU-CVE-2026-95392

Affected products (as reported)

VendorProductVersions
Wireshark Foundation Wireshark 4.6.0 – before 4.6.94.4.0 – before 4.4.19

Weakness: CWE-126 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References