Denial of Service Vulnerability in Tektronix K12xx File Parser
CVE-2026-76885

3.1LOW

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76885?

The Tektronix K12xx file parser has a vulnerability that can cause the application to crash when processing certain files. This issue affects multiple versions, including 4.4.0 to 4.4.18 and 4.6.0 to 4.6.7. An attacker can exploit this vulnerability by sending specially crafted files, leading to denial of service, which interrupts the normal functioning of the affected software. It is crucial for users of the K12xx file parser to apply the latest patches or updates to mitigate this risk.

Affected Version(s)

Wireshark 4.6.0 < 4.6.8

Wireshark 4.4.0 < 4.4.18

References

https://www.wireshark.org/security/wnpa-sec-2026-71.html
https://gitlab.com/wireshark/wireshark/-/work_items/21414

CVSS V3.1

Score:
3.1
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jaime Cavero
.