CVE-2026-82250: Integer Underflow (Wrap or Wraparound) in GitoxideLabs gitoxide
Description
gitoxide gix-packetline versions before 0.21.5 have a vulnerability causing a panic in the TextRef implementation when processing side-band packet lines with empty payloads. This can be triggered by a malicious Git server sending a crafted side-band packet, causing an index out of bounds panic that aborts the client process during fetch operations without authentication.
CVSS v4.0
Score 7.1high
Affected software
GitoxideLabs
gitoxide
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82250 is an integer underflow vulnerability in gitoxide's gix-packetline component prior to version 0.21.5. The flaw occurs in the TextRef implementation when handling side-band packet lines with empty payloads, leading to an index out of bounds panic. This can be exploited by a malicious Git server to cause the client process to abort during fetch operations without requiring authentication.
Potential Impact
An attacker controlling a Git server can cause a denial of service by triggering a panic in the client during fetch operations, aborting the gitoxide client process. There is no indication of code execution or data compromise. The vulnerability does not require authentication and can be triggered remotely.
Mitigation Recommendations
No official fix or patch is currently confirmed. Users should monitor the vendor advisory for updates and apply any forthcoming patches promptly. Until then, caution is advised when interacting with untrusted Git servers.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T10:37:51.949Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a916f93acd9273b49cf92ec
Added to database: 08/28/2026, 11:22:59 UTC
Last enriched: 09/08/2026, 07:38:14 UTC
Last updated: 10/11/2026, 06:48:19 UTC
Views: 45
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