UBUNTU-CVE-2026-77650

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Source

https://ubuntu.com/security/CVE-2026-77650

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77650.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-77650

Upstream

CVE-2026-77650

Published

2026-08-21T01:17:00Z

Modified

2026-09-02T19:36:34.265098113Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

The append-only-vec crate 0.1.9 for Rust can trigger execution of malicious code when compiling a project that uses the crate, because it has a rogue dependency that registers with a command-and-control server to offer arbitrary code execution.

References

Affected packages

Ubuntu:26.04:LTS / rust-append-only-vec

Package

Name: rust-append-only-vec
Purl: pkg:deb/ubuntu/rust-append-only-vec?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.1.7-1

0.1.7-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "librust-append-only-vec-dev",
            "binary_version": "0.1.7-2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77650.json"