CVE-2026-76887 :: Enginsight Vulnerability Database

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

Base Score

CVSS 3.x

EPSS Score

Percentile: 7.22%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
wireshark	wireshark	4.6.0 ≤ 𝑥 < 4.6.8	CNA
wireshark	wireshark	4.4.0 ≤ 𝑥 < 4.4.18	CNA

Debian Releases

Debian Product

Codename

wireshark

bookworm	vulnerable
bookworm (security)	vulnerable
bullseye	vulnerable
bullseye (security)	vulnerable
forky	vulnerable
sid	vulnerable
trixie	vulnerable
trixie (security)	vulnerable

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().

Vulnerability Media Exposure

[GERMAN] Wireshark: Mehrere Schwachstellen ermöglichen Denial of Service
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Wireshark ausnutzen, um einen Denial of Service Angriff durchzuführen.
Published: 2026-08-12T22:00:00+00:00

References

https://gitlab.com/wireshark/wireshark/-/work_items/21423

https://www.wireshark.org/security/wnpa-sec-2026-69.html