CVE-2026-15169: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
A heap-based buffer overflow vulnerability exists in the UMTS FP protocol dissector of Wireshark versions 4.4.0 to 4.4.16 and 4.6.0 to 4.6.6. This flaw can cause the application to crash, resulting in a denial of service condition. The vulnerability has a medium severity rating with a CVSS score of 5.5. No official patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
CVE-2026-15169 is a heap-based buffer overflow vulnerability in the UMTS FP protocol dissector component of Wireshark. It affects Wireshark versions 4.4.0 through 4.4.16 and 4.6.0 through 4.6.6. The flaw can be triggered to cause a crash, leading to denial of service. The vulnerability has a CVSS 3.1 base score of 5.5, indicating medium severity. No known exploits are reported in the wild, and no official fix or patch has been documented at this time.
Potential Impact
Successful exploitation of this vulnerability results in a denial of service by crashing the Wireshark application. There is no indication of confidentiality or integrity impact. The attack vector requires local access with low complexity and no privileges but requires user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should exercise caution when analyzing UMTS FP protocol traffic and consider avoiding processing untrusted or malformed packets that could trigger the vulnerability.
CVE-2026-15169: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
Description
A heap-based buffer overflow vulnerability exists in the UMTS FP protocol dissector of Wireshark versions 4.4.0 to 4.4.16 and 4.6.0 to 4.6.6. This flaw can cause the application to crash, resulting in a denial of service condition. The vulnerability has a medium severity rating with a CVSS score of 5.5. No official patch or remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 5.5medium
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-2026-15169 is a heap-based buffer overflow vulnerability in the UMTS FP protocol dissector component of Wireshark. It affects Wireshark versions 4.4.0 through 4.4.16 and 4.6.0 through 4.6.6. The flaw can be triggered to cause a crash, leading to denial of service. The vulnerability has a CVSS 3.1 base score of 5.5, indicating medium severity. No known exploits are reported in the wild, and no official fix or patch has been documented at this time.
Potential Impact
Successful exploitation of this vulnerability results in a denial of service by crashing the Wireshark application. There is no indication of confidentiality or integrity impact. The attack vector requires local access with low complexity and no privileges but requires user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should exercise caution when analyzing UMTS FP protocol traffic and consider avoiding processing untrusted or malformed packets that could trigger the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-07-08T20:45:43.874Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4ebdf4c9d9e3dbe3bf8a0b
Added to database: 07/08/2026, 21:15:32 UTC
Last enriched: 07/08/2026, 21:29:51 UTC
Last updated: 07/08/2026, 22:23:10 UTC
Views: 3
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