Use After Free Affecting rust-toolset-1.52-rustfmt package, versions <0:1.52.1-2.el7_9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.61% (68th percentile)

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  • Snyk IDSNYK-RHEL7-RUSTTOOLSET152RUSTFMT-3375022
  • published26 Jul 2021
  • disclosed28 Mar 2021

Introduced: 28 Mar 2021

CVE-2021-31162  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rust-toolset-1.52-rustfmt to version 0:1.52.1-2.el7_9 or higher.
This issue was patched in RHSA-2021:3042.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust-toolset-1.52-rustfmt package and not the rust-toolset-1.52-rustfmt package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

CVSS Base Scores

version 3.1