Bug 2454553

Summary: CVE-2026-34165 cri-o1.34: go-git: Denial of Service via crafted .idx file [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: cri-o1.34Assignee: Brad Smith <bradley.g.smith>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: bradley.g.smith, go-sig
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["3d886eef-96d1-48d3-b17c-ef2ccf360344"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2453379    

Description Jon Moroney 2026-04-02 18:54:29 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Brad Smith 2026-07-07 20:04:32 UTC 
Confirmed

    {
      "vulnerability": {
        "@id": "https://pkg.go.dev/vuln/GO-2026-4910",
        "name": "GO-2026-4910",
        "description": "Maliciously crafted idx file can cause asymmetric memory consumption
 in github.com/go-git/go-git",
        "aliases": [
          "CVE-2026-34165",
          "GHSA-jhf3-xxhw-2wpp"
        ]
      },
      "products": [
        {
          "@id": "Unknown Product",
          "subcomponents": [
            {
              "@id": "pkg:golang/github.com%2Fgo-git%2Fgo-git%2Fv5.2"
            }
          ]
        }
      ],
      "status": "affected"
    },