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-2026-76919
Wireshark Foundation Wireshark — Use of Uninitialized Variable in Wireshark
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U N N H 7.5 .0031 21.8 —
AFFECTED
Product Versions Fixed
Wireshark 4.6.0 – —
TIMELINE
Aug 19 Reserved by GitLab
Aug 19 Published (CNA: GitLab)
Aug 31 EXPLOIT PUBLISHED — CVE-2026-76919 (Wireshark Foundation Wireshark). Public exploit reference added.
Aug 31 RESCORED — CVE-2026-76919 (Wireshark Foundation Wireshark). CVSS 5.3 → 7.5 (NVD).
Description
ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 19, 2026 | Reserved | Reserved by GitLab |
| August 19, 2026 | Published | Published (CNA: GitLab) |
| August 31, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-76919 (Wireshark Foundation Wireshark). Public exploit reference added. |
| August 31, 2026 | RESCORED | RESCORED — CVE-2026-76919 (Wireshark Foundation Wireshark). CVSS 5.3 → 7.5 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Wireshark Foundation | Wireshark | — | 4.6.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76919 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.
