CVE-2026-76928
CVE-2026-76928: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-76928] Denial of Service via X.509IF protocol dissector crash
CVE-2026-76928Source published Source updated
X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service By providing a specially crafted capture file or network stream, an attacker can crash the application, making it unavailable. The impact is limited strictly to Wireshark's availability and does not affect the host system. RHEL 9 and older versions are not affected. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-825. Affected Red Hat products: Red Hat Enterprise Linux 10. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: wireshark.
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat package: wireshark
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- Avoid opening untrusted capture files or monitoring untrusted networks where malformed packets may be broadcast. If X.509IF protocol analysis is not required, disable the dissector. In Wireshark, navigate to Analyze > Enabled Protocols and uncheck X.509IF, or run tshark using the flag -d x509if,0 to bypass this dissector entirely.
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