CVE-2026-6654

EUVD-2026-23832
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.1 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
mozillathin-vec
0.2.15
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
rust-thin-vec
forky
0.2.17-1
fixed
sid
0.2.17-1
fixed
trixie
no-dsa
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
cargo
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
cargo-debuginfo
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
clippy
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
clippy-debuginfo
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
firefox
Amazon Linux 2023
0:140.10.1-1.amzn2023.0.1
fixed
firefox-debuginfo
Amazon Linux 2023
0:140.10.1-1.amzn2023.0.1
fixed
firefox-debugsource
Amazon Linux 2023
0:140.10.1-1.amzn2023.0.1
fixed
rust
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-analyzer
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-analyzer-debuginfo
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-debugger-common
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-debuginfo
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-debugsource
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-doc
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-gdb
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-lldb
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-src
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-std-static
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-std-static-wasm32-unknown-unknown
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-std-static-wasm32-wasip1
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-toolset
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rust-toolset-srpm-macros
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rustfmt
Amazon Linux 2
0:1.95.0-1.amzn2.0.2
fixed
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
rustfmt-debuginfo
Amazon Linux 2023
0:1.95.0-1.amzn2023.0.2
fixed
thunderbird
Amazon Linux 2
0:140.10.0-1.amzn2.0.1
fixed
Common Weakness Enumeration
References
https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j
https://access.redhat.com/security/cve/CVE-2026-6654
https://bugzilla.redhat.com/show_bug.cgi?id=2459689
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6654.json