Vulnerability · Published Aug 13, 2026 · Assigned by GitLab

CVE-2026-19695Stack-based Buffer Overflow in Wireshark

Medium 4.7

In plain English

A medium-severity stack buffer overflow 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 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.1%top 98.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Gammu DCT3 trace file parser crash in 4.6.0 to 4.6.7 allows denial of service

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14wireshark4.6.9-1DEBIAN-CVE-2026-19695
Ubuntu:22.04:LTSgammuno fix listedUBUNTU-CVE-2026-19695
Ubuntu:24.04:LTSgammuno fix listedUBUNTU-CVE-2026-19695
Ubuntu:26.04:LTSgammuno fix listedUBUNTU-CVE-2026-19695
Ubuntu:26.10gammuno fix listedUBUNTU-CVE-2026-19695

Affected products (as reported)

VendorProductVersions
Wireshark Foundation Wireshark 4.6.0 – before 4.6.8

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

References