CVE-2026-15168: CWE-457: Use of Uninitialized Variable in Wireshark Foundation Wireshark
A use of uninitialized variable vulnerability exists in the BLF file parser of Wireshark versions 4.4.0 and 4.6.0. This flaw may lead to possible information disclosure. The vulnerability has a low severity rating and a CVSS score of 2.5. No official patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
CVE-2026-15168 is a vulnerability in Wireshark Foundation's Wireshark product affecting the BLF file parser in versions 4.4.0 and 4.6.0. The issue is classified as CWE-457 (Use of Uninitialized Variable), which can cause possible information disclosure. The CVSS v3.1 base score is 2.5, reflecting low impact with local attack vector, high attack complexity, no privileges required, and user interaction needed. There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability may allow an attacker to gain limited information disclosure due to the use of uninitialized variables in the BLF file parser. The impact is limited to confidentiality with no integrity or availability effects. Exploitation requires local access and user interaction, and the attack complexity is high.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening BLF files from untrusted sources and consider avoiding use of affected versions 4.4.0 and 4.6.0 if possible.
CVE-2026-15168: CWE-457: Use of Uninitialized Variable in Wireshark Foundation Wireshark
Description
A use of uninitialized variable vulnerability exists in the BLF file parser of Wireshark versions 4.4.0 and 4.6.0. This flaw may lead to possible information disclosure. The vulnerability has a low severity rating and a CVSS score of 2.5. No official patch or remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 2.5low
Affected software
pkg:github/wireshark/wiresharkRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15168 is a vulnerability in Wireshark Foundation's Wireshark product affecting the BLF file parser in versions 4.4.0 and 4.6.0. The issue is classified as CWE-457 (Use of Uninitialized Variable), which can cause possible information disclosure. The CVSS v3.1 base score is 2.5, reflecting low impact with local attack vector, high attack complexity, no privileges required, and user interaction needed. There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability may allow an attacker to gain limited information disclosure due to the use of uninitialized variables in the BLF file parser. The impact is limited to confidentiality with no integrity or availability effects. Exploitation requires local access and user interaction, and the attack complexity is high.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening BLF files from untrusted sources and consider avoiding use of affected versions 4.4.0 and 4.6.0 if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-07-08T20:45:38.879Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4ecba5c9d9e3dbe3d18654
Added to database: 07/08/2026, 22:13:57 UTC
Last enriched: 07/08/2026, 22:28:39 UTC
Last updated: 07/09/2026, 03:32:25 UTC
Views: 10
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