CVE-2026-6531
MEDIUMCVSS 5.5/10EPSS 0.19%
Last modified
CVE-2026-6531 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 4.4.0, <= 4.4.14 |
| Wireshark | Wireshark | >= 4.6.0, <= 4.6.4 |
References
- https://gitlab.com/wireshark/wireshark/-/issues/21139Exploit, Issue Tracking, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2026-30.htmlVendor Advisory
- https://gitlab.com/wireshark/wireshark/-/work_items/21139Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-6531?
SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
How severe is CVE-2026-6531?
CVE-2026-6531 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-6531?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-6531?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST