UBUNTU-CVE-2026-6654

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Source
https://ubuntu.com/security/CVE-2026-6654
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6654.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-6654
Upstream
Published
2026-04-20T11:16:00Z
Modified
2026-05-20T16:13:29.720011451Z
Severity
  • 5.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
  • 5.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Double-Free / Use-After-Free (UAF) in the IntoIter::drop and ThinVec::clear functions in the thin_vec crate. A panic in ptr::drop_in_place skips setting the length to zero.

References

Affected packages

Ubuntu:24.04:LTS / rust-thin-vec

Package

Name
rust-thin-vec
Purl
pkg:deb/ubuntu/rust-thin-vec?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.2.13-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.2.13-1",
            "binary_name": "librust-thin-vec-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6654.json"

Ubuntu:25.10 / rust-thin-vec

Package

Name
rust-thin-vec
Purl
pkg:deb/ubuntu/rust-thin-vec?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.2.13-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.2.13-2",
            "binary_name": "librust-thin-vec-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6654.json"

Ubuntu:26.04:LTS / rust-thin-vec

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.2.13-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.2.13-2",
            "binary_name": "librust-thin-vec-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6654.json"