Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-19696

CVE-2026-19696MEDIUM

Wireshark Foundation Wireshark — Out-of-bounds Write in Wireshark

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  U  N  N  H    5.5   .0012    1.8     —

AFFECTED
  Product    Versions  Fixed
  Wireshark  4.6.0 –   —

TIMELINE
  Aug 13  Reserved by GitLab
  Aug 13  Published (CNA: GitLab)
  Sep 1   EXPLOIT PUBLISHED — CVE-2026-19696 (Wireshark Foundation Wireshark). Public exploit reference added.
  Sep 1   RESCORED — CVE-2026-19696 (Wireshark Foundation Wireshark). CVSS 6.6 → 5.5 (NVD).

CWE-787 · CNA: GitLab · CVSS v3.1 · 2 references · NVD status: Analyzed

Description

Ixia IxVeriWave and Vector Informatik BLF file parser crashes in 4.6.0 to 4.6.7 allows denial of service on Windows

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 13, 2026	Reserved	Reserved by GitLab
August 13, 2026	Published	Published (CNA: GitLab)
September 1, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-19696 (Wireshark Foundation Wireshark). Public exploit reference added.
September 1, 2026	RESCORED	RESCORED — CVE-2026-19696 (Wireshark Foundation Wireshark). CVSS 6.6 → 5.5 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Wireshark Foundation	Wireshark	—	4.6.0	—

Weaknesses

CWE-787

References (2)

https://gitlab.com/wireshark/wireshark/-/work_items/21455 [Exploit, Mitigation, Vendor Advisory, Issue Tracking]
https://www.wireshark.org/security/wnpa-sec-2026-82.html [Vendor Advisory]

Authoritative record: CVE-2026-19696 at cve.org

Vendors: wireshark foundation

Weaknesses: CWE-787

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19696 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.