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High severity7.8NVD Advisory· Published May 1, 2026· Updated May 1, 2026

CVE-2026-5403

CVE-2026-5403

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Wireshark/Wireshark2 versions
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*range: >=4.4.0,<4.4.15
- (no CPE)range: >=4.4.0, <=4.4.14; >=4.6.0, <=4.6.4
osv-coords
pkg:rpm/opensuse/wireshark&distro=openSUSE%20Tumbleweed
Range: < 4.6.5-1.1

Patches

Vulnerability mechanics

References

2

gitlab.com/wireshark/wireshark/-/issues/21103nvdExploitIssue TrackingThird Party Advisory
www.wireshark.org/security/wnpa-sec-2026-16.htmlnvdVendor Advisory

News mentions

1

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