CVE-2020-36323

NameCVE-2020-36323
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rustc (PTS)stretch1.34.2+dfsg1-1~deb9u1vulnerable
stretch (security)1.41.1+dfsg1-1~deb9u1vulnerable
buster1.41.1+dfsg1-1~deb10u1vulnerable
bullseye, sid1.48.0+dfsg1-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rustcsource(unstable)(unfixed)

Notes

https://github.com/rust-lang/rust/issues/80335
https://github.com/rust-lang/rust/pull/81728

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