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High 7.8Published May 1, 2026
CVE-2026-5403SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution
Updated under an hour ago ()
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SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-122, CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
wireshark wireshark wireshark:wireshark | from 4.4.0 before 4.4.15; from 4.6.0 before 4.6.5 | NVD |
References
- https://gitlab.com/wireshark/wireshark/-/issues/21103exploit, issue-tracking, third-party-advisory
- https://www.wireshark.org/security/wnpa-sec-2026-16.htmlvendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-5403
- https://bugzilla.redhat.com/show_bug.cgi?id=2464271
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5403.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.