CVE-2026-76927Medium· 6.5▾ SunlitA flaw was found in Wireshark. A remote attacker could exploit a vulnerability in the H.245 protocol dissector. By crafting and sending malformed H.245 protocol data, an attacker could cause the Wireshark application to crash when a user p…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the vendor's CSAF advisory record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
0.2% → 0.3%
Last analysed / modified upstream
4.7 → 6.5
A flaw was found in Wireshark. A remote attacker could exploit a vulnerability in the H.245 protocol dissector. By crafting and sending malformed H.245 protocol data, an attacker could cause the Wireshark application to crash when a user processes this untrusted network data, leading to a denial of service.
wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector — rated Moderate by Red Hat. Released 2026-08-19, updated 2026-10-19.
Affected:
Fixed:
No fix planned:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:84721 For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:83657 For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:83546
Workarounds / mitigations:
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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