CVE-2026-76885

Analyzed Analyzed - Analysis Complete

Tektronix K12xx File Parser Denial of Service

Publication date: 2026-08-19

Last updated on: 2026-08-31

Assigner: GitLab Inc.

Description

Tektronix K12xx file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-19

Last Modified

2026-08-31

Generated

2026-09-09

AI Q&A

2026-08-20

EPSS Evaluated

2026-09-07

NVD

CVE-2026-76885

EUVD

EUVD-2026-63160

Affected Vendors & Products

Vendor	Product	Version / Range
wireshark	wireshark	From 4.6.0 (inc) to 4.6.8 (exc)
wireshark	wireshark	From 4.4.0 (inc) to 4.4.18 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-126	The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a denial of service issue in Tektronix K12xx file parser versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18. It allows an attacker to crash the parser by exploiting a flaw in how it handles certain files.

Detection Guidance

This vulnerability is a file parser crash in Tektronix K12xx versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 that leads to denial of service. Detection would require monitoring for crashes or hangs when processing K12xx files. No specific commands are provided in the context.

Impact Analysis

The vulnerability could cause the affected software to crash, leading to temporary unavailability of the system or service. This disrupts normal operations and may require restarting the software.

Compliance Impact

The vulnerability causes a denial of service due to a file parser crash in Tektronix K12xx versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18. This may impact compliance by disrupting system availability, potentially violating availability requirements in standards like GDPR or HIPAA that mandate data accessibility and system reliability.

Mitigation Strategies

Update Tektronix K12xx file parser to a version outside the affected range (4.6.0 to 4.6.7 and 4.4.0 to 4.4.18). Disable or restrict access to the parser if updates are not immediately available.

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