Low [CVE-2026-76891] Denial of Service via sharkd crash
This low-severity Red Hat Linux advisory covers CVE-2026-76891 affecting Red Hat Enterprise Linux 10, Red Hat package: wireshark.
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Summary
Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service A flaw was found in the sharkd component of Wireshark. A remote attacker could exploit this vulnerability, which requires user interaction and has high attack complexity, by triggering a crash.
Red Hat Enterprise Linux 10 and Red Hat In-Vehicle OS ship Wireshark 4.4.2, which is within the affected range (4.4.0–4.4.17). Red Hat severity: Low — CVSS 3.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L).
Weakness: CWE-248. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: wireshark.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
Mitigation checklist
- Avoid using sharkd to process untrusted capture files or to analyze traffic from untrusted network segments.
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
Discussion(0)
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