Wireshark DCT2000 Parser DoS 4.4.04.4.18 & 4.6.04.6.7
CVE-2026-76883 Published on August 19, 2026
Heap-based Buffer Overflow in Wireshark
Catapult DCT2000 file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Vulnerability Analysis
CVE-2026-76883 can be exploited with local system access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-76883. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
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().
Products Associated with CVE-2026-76883
Want to know whenever a new CVE is published for Wireshark? stack.watch will email you.
Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.8 is affected.
- Version 4.4.0 and below 4.4.18 is affected.