CVE-2026-5657

iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitLabCNA
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
wiresharkwireshark
4.6.0 ≤
𝑥
< 4.6.5
CNA
wiresharkwireshark
4.4.0 ≤
𝑥
< 4.4.15
CNA
Common Weakness Enumeration
References
https://gitlab.com/wireshark/wireshark/-/issues/21113
https://www.wireshark.org/security/wnpa-sec-2026-20.html