CVE-2026-6654

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Source
https://cve.org/CVERecord?id=CVE-2026-6654
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6654.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-6654
Aliases
Downstream
CGA (8)
DEBIAN (1)
UBUNTU (1)
Related
Published
2026-04-20T10:05:52Z
Modified
2026-08-12T03:51:38Z
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
Summary
Use-After-Free and Double-Free in IntoIter::drop when element drop panics
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.

Database specific 
{
    "cna_assigner":  "mozilla",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6654.json"
}
References

Affected packages

Git / github.com/mozilla/thin-vec

Affected ranges

Type
GIT
Repo
https://github.com/mozilla/thin-vec
Events
Introduced
70bcca0960a7e11056fa3281445d08052421dab5
Last Affected
70bcca0960a7e11056fa3281445d08052421dab5
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:mozilla:thin-vec:0.2.15:*:*:*:*:rust:*:*",
    "extracted_events":  [
        {
            "introduced":  "0.2.15"
        },
        {
            "last_affected":  "0.2.15"
        }
    ],
    "source":  "CPE_STRING"
}

Affected versions

0.*
0.2.15
v0.*
v0.2.15

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6654.json"