High severity7.5NVD Advisory· Published Dec 31, 2020· Updated Jun 17, 2026
CVE-2020-35861
CVE-2020-35861
Description
An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
bumpalocrates.io | >= 3.0.0, < 3.2.1 | 3.2.1 |
Affected products
3- Rust/bumpalodescription
Patches
Vulnerability mechanics
References
4- rustsec.org/advisories/RUSTSEC-2020-0006.htmlnvdExploitPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-vqx7-pw4r-29rrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-35861ghsaADVISORY
- github.com/fitzgen/bumpalo/issues/69ghsaWEB
News mentions
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