High severity7.5NVD Advisory· Published Dec 26, 2021· Updated Jun 17, 2026
CVE-2021-45720
CVE-2021-45720
Description
An issue was discovered in the lru crate before 0.7.1 for Rust. The iterators have a use-after-free, as demonstrated by an access after a pop operation.
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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 |
|---|---|---|
lrucrates.io | < 0.7.1 | 0.7.1 |
Affected products
3- lru/lrudescription
Patches
Vulnerability mechanics
References
5- rustsec.org/advisories/RUSTSEC-2021-0130.htmlnvdExploitIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-v362-2895-h9r2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-45720ghsaADVISORY
- raw.githubusercontent.com/rustsec/advisory-db/main/crates/lru/RUSTSEC-2021-0130.mdnvdThird Party AdvisoryWEB
- github.com/jeromefroe/lru-rs/issues/120ghsaWEB
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