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Vulnerability details

CVE-2026-76880

Wireshark Foundation Wireshark

Out-of-bounds Write in Wireshark

CVSS 3.1
7.5High

Official description

RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS scores

ScoreVersionSourceVector
7.5High 3.1 CVEProject cvelistV5 (CNA) (GitLab) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

VendorProductVersionsSource
Wireshark Foundation Wireshark 4.4.0 ≤ v < 4.4.18 CVEProject cvelistV5 (CNA)
Wireshark Foundation Wireshark 4.6.0 ≤ v < 4.6.8 CVEProject cvelistV5 (CNA)

References and advisories

2
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-08-20
Last updated
2026-08-20
State
Published
Assigner (CNA)
GitLab

Exploit prediction (EPSS)

0.24%
Probability of exploitation in 30 days
15.6%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-787
    Out-of-bounds Write