CVE-2020-35861: RUSTSEC-2020-0006 - Flaw in `realloc` allows reading unknown memory

CVE-2020-35861 · Severity: low · CVSS 3.1 · Published 2020-03-24

Flaw in `realloc` allows reading unknown memory

Technologies: bumpalo (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2020-35861 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-35861 being exploited in the wild.
How severe is CVE-2020-35861?
Low severity, with a CVSS score of 3.1, published 24 March 2020.
Which products and versions are affected?
bumpalo (crates.io) SEMVER:introduced=3.0.0,fixed=3.2.1.
Is there a fix for CVE-2020-35861?
Yes. bumpalo (crates.io): upgrade to 3.2.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-35861?
Check whether you run bumpalo (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • bumpalo (crates.io): upgrade to 3.2.1 or later
    cargo update -p bumpalo

Affected products

  • bumpalo (crates.io) SEMVER:introduced=3.0.0,fixed=3.2.1

Identifiers

  • CVE-2020-35861
  • GHSA-vqx7-pw4r-29rr
  • RUSTSEC-2020-0006

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