CVE-2026-5657: CWE-415: Double Free in Wireshark Foundation Wireshark
iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-5657 affects Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. It is a double free issue (CWE-415) in the iLBC codec implementation that leads to a denial of service condition by crashing the application. The CVSS v3.1 base score is 5.5 (medium severity) with attack vector local, low attack complexity, no privileges required, user interaction required, and impact limited to availability. No vendor advisory or patch is currently available, and no known exploits have been reported.
Potential Impact
Successful exploitation causes a denial of service by crashing Wireshark when processing iLBC codec data. There is no impact on confidentiality or integrity. The attack requires local access and user interaction, limiting the risk to availability disruption on affected versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid processing untrusted iLBC codec data in affected Wireshark versions and consider upgrading to versions beyond 4.6.4 or 4.4.14 once patches are released.
CVE-2026-5657: CWE-415: Double Free in Wireshark Foundation Wireshark
Description
iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-5657 affects Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. It is a double free issue (CWE-415) in the iLBC codec implementation that leads to a denial of service condition by crashing the application. The CVSS v3.1 base score is 5.5 (medium severity) with attack vector local, low attack complexity, no privileges required, user interaction required, and impact limited to availability. No vendor advisory or patch is currently available, and no known exploits have been reported.
Potential Impact
Successful exploitation causes a denial of service by crashing Wireshark when processing iLBC codec data. There is no impact on confidentiality or integrity. The attack requires local access and user interaction, limiting the risk to availability disruption on affected versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid processing untrusted iLBC codec data in affected Wireshark versions and consider upgrading to versions beyond 4.6.4 or 4.4.14 once patches are released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-06T06:34:11.359Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2f4e9cbff5d8610970bac
Added to database: 4/30/2026, 6:21:29 AM
Last enriched: 4/30/2026, 6:38:33 AM
Last updated: 5/1/2026, 12:01:40 AM
Views: 5
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