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Critical severity9.8NVD Advisory· Published Dec 27, 2021· Updated Jun 17, 2026

CVE-2021-45691

CVE-2021-45691

Description

An issue was discovered in the messagepack-rs crate through 2021-01-26 for Rust. deserialize_string may read from uninitialized memory locations.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
messagepack-rscrates.io	<= 0.8.1	—

Affected products

3

Messagepack Rs Project/Messagepack Rs
cpe:2.3:a:messagepack-rs_project:messagepack-rs:*:*:*:*:*:rust:*:*
Range: <0.8.1
messagepack-rs/messagepack-rsdescription
ghsa-coords
pkg:cargo/messagepack-rs
Range: <= 0.8.1

Patches

Vulnerability mechanics

References

5

github.com/advisories/GHSA-jwfh-j623-m97hghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-45691ghsaADVISORY
raw.githubusercontent.com/rustsec/advisory-db/main/crates/messagepack-rs/RUSTSEC-2021-0092.mdnvdThird Party AdvisoryWEB
rustsec.org/advisories/RUSTSEC-2021-0092.htmlnvdThird Party AdvisoryWEB
github.com/otake84/messagepack-rs/issues/2ghsaWEB

News mentions

0

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