| Name | CVE-2020-36323 |
| Description | In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| rustc (PTS) | jessie, jessie (lts) | 1.34.2+dfsg1-1~deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.41.1+dfsg1-1~deb9u1 | vulnerable |
| buster | 1.41.1+dfsg1-1~deb10u1 | vulnerable |
| bullseye | 1.48.0+dfsg1-2 | vulnerable |
| bookworm | 1.63.0+dfsg1-2 | fixed |
| trixie | 1.70.0+dfsg1-7 | fixed |
| sid | 1.70.0+dfsg1-9 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| rustc | source | jessie | (unfixed) | end-of-life | | |
| rustc | source | (unstable) | 1.53.0+dfsg1-1 | | | |
Notes
[bullseye] - rustc <no-dsa> (Minor issue)
[buster] - rustc <no-dsa> (Minor issue)
[stretch] - rustc <no-dsa> (Minor issue)
https://github.com/rust-lang/rust/issues/80335
https://github.com/rust-lang/rust/pull/81728