CVE-2020-36323
CVE-2020-36323
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.2 · High · EPSS 2.0% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
rustc Debian:12
- Affected ranges
- ECOSYSTEM: < 1.53.0+dfsg1-1
Update to 1.53.0+dfsg1-1
rustc Debian:13
- Affected ranges
- ECOSYSTEM: < 1.53.0+dfsg1-1
Update to 1.53.0+dfsg1-1
rustc Debian:14
- Affected ranges
- ECOSYSTEM: < 1.53.0+dfsg1-1
Update to 1.53.0+dfsg1-1
rustc Ubuntu:Pro:14.04:LTS
- Versions
- 1.15.1+dfsg0-1~exp1ubuntu2~14.04.7
- 1.17.0+dfsg2-8~ubuntu0.14.04.3
- 1.21.0+dfsg1+llvm-0ubuntu3~14.04.5
- 1.22.1+dfsg1+llvm-0ubuntu2~14.04.2
- 1.24.1+dfsg1+llvm-0ubuntu1~14.04.1
- 1.25.0+dfsg1+llvm-0ubuntu1~14.04.1
- 1.28.0+dfsg1+llvm-0ubuntu1~14.04.1
- 1.30.0+dfsg1+llvm-2ubuntu1~14.04.1
- 1.31.0+dfsg1+llvm-2ubuntu1~14.04.1
- 1.31.0+dfsg1+llvm-2ubuntu1~14.04.1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
rustc Ubuntu:Pro:16.04:LTS
- Versions
- 1.7.0+dfsg1-1
- 1.15.1+dfsg0-1~exp1ubuntu2~16.04.3
- 1.17.0+dfsg2-8~ubuntu0.16.04.2
- 1.21.0+dfsg1+llvm-0ubuntu3~16.04.1
- 1.22.1+dfsg1+llvm-0ubuntu2~16.04.2
- 1.24.1+dfsg1+llvm-0ubuntu1~16.04.1
- 1.25.0+dfsg1+llvm-0ubuntu1~16.04.1
- 1.28.0+dfsg1+llvm-0ubuntu1~16.04.1
- 1.30.0+dfsg1+llvm-2ubuntu1~16.04.1
- 1.31.0+dfsg1+llvm-2ubuntu1~16.04.1
- 1.32.0+dfsg1+llvm-1ubuntu1~16.04.1
- 1.34.1+dfsg2+llvm-0ubuntu1~16.04.1
- 1.35.0+dfsg0.1+llvm-0ubuntu1~16.04.1
- 1.36.0+dfsg1+llvm-2ubuntu1~16.04.1
- 1.37.0+dfsg1+llvm-1ubuntu1~16.04.1
- 1.39.0+dfsg1+llvm-3ubuntu1~16.04.1
- 1.41.0+dfsg1+llvm-0ubuntu1~16.04.1
- 1.43.0+dfsg1+llvm-1~exp1ubuntu2~16.04.1
- 1.47.0+dfsg1+llvm-1ubuntu1~16.04.1
- 1.47.0+dfsg1+llvm-1ubuntu1~16.04.1ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
rustc Ubuntu:20.04:LTS
- Versions
- 1.37.0+dfsg1+llvm-1ubuntu1
- 1.38.0+dfsg0.2+llvm-0ubuntu1
- 1.38.0+dfsg0.2+llvm-0ubuntu2
- 1.39.0+dfsg1+llvm-3ubuntu1
- 1.40.0+dfsg1+llvm-5ubuntu1
- 1.41.0+dfsg1+llvm-0ubuntu1
- 1.41.0+dfsg1+llvm-0ubuntu2
- 1.43.0+dfsg1+llvm-1~exp1ubuntu1~20.04.1
- 1.47.0+dfsg1+llvm-1ubuntu1~20.04.1
- 1.51.0+dfsg1+llvm-1~exp3ubuntu1~20.04.2
- Affected ranges
- ECOSYSTEM: < 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1
Update to 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1
rustc Ubuntu:22.04:LTS
- Versions
- 1.51.0+dfsg1+llvm-1~exp3ubuntu1
- Affected ranges
- ECOSYSTEM: < 1.53.0+dfsg1+llvm-4ubuntu1
Update to 1.53.0+dfsg1+llvm-4ubuntu1
Original sources
- https://github.com/rust-lang/rust/issues/80335
- https://github.com/rust-lang/rust/pull/81728
- https://github.com/rust-lang/rust/pull/81728#issuecomment-821549174
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/
- https://github.com/rust-lang/rust/pull/81728#issuecomment-824904190
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/
- https://nvd.nist.gov/vuln/detail/CVE-2020-36323