security update for rust
Description
A security vulnerability identified as CVE-2026-53587 exists in libgit2, a Git core methods library included with Rust. This vulnerability allows a denial of service via a heap out-of-bounds read triggered by a malicious Git server. The issue affects specific Rust package versions distributed by Red Hat and Ubuntu. A patch is available to address this vulnerability.
Affected software
pkg:deb/ubuntu/libgit2?arch=source&distro=noblepkg:deb/ubuntu/libgit2?arch=source&distro=resoluteRun 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-2026-53587 is a vulnerability in libgit2, a library used by Rust for Git core methods. The flaw involves a heap out-of-bounds read that can be triggered by a malicious Git server, resulting in a denial of service condition. This vulnerability affects certain Rust package versions distributed by Red Hat and Ubuntu. The vendor advisory confirms that a patch is available to mitigate this issue.
Potential Impact
The vulnerability can be exploited remotely by a malicious Git server to cause a denial of service in affected Rust packages. There is no indication of code execution or credential leakage in this specific CVE. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available and should be applied to affected Rust packages to remediate this vulnerability. Users should update to the fixed versions provided by their Linux distribution vendors, such as Red Hat and Ubuntu. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-53587
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
Patch Information
Threat ID: 6a8c4c56acd9273b499beb8c
Added to database: 08/24/2026, 13:51:18 UTC
Last enriched: 10/08/2026, 22:53:24 UTC
Last updated: 10/08/2026, 22:53:24 UTC
Views: 36
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