CVE-2026-5402 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	8.8 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 18%

Affected Products (NVD)

Vendor	Product	Version
wireshark	wireshark	4.6.0 ≤ 𝑥 ≤ 4.6.4

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

wireshark

bookworm	4.0.17-0+deb12u3 fixed
bookworm (security)	4.0.17-0+deb12u3 fixed
bullseye	vulnerable
bullseye (security)	vulnerable
forky	4.6.6-1 fixed
sid	4.6.6-1 fixed
trixie	4.4.15-0+deb13u1 fixed
trixie (security)	4.4.15-0+deb13u1 fixed

Known Exploits!

https://gitlab.com/wireshark/wireshark/-/issues/21090

Common Weakness Enumeration

CWE-122 - Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References

https://gitlab.com/wireshark/wireshark/-/issues/21090

https://www.wireshark.org/security/wnpa-sec-2026-14.html