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The decompression algorithm in zlib 1.1.3 and earlier, as...

High severity Unreviewed Published May 3, 2022 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

The decompression algorithm in zlib 1.1.3 and earlier, as used in many different utilities and packages, causes inflateEnd to release certain memory more than once (a "double free"), which may allow local and remote attackers to execute arbitrary code via a block of malformed compression data.

References

Published by the National Vulnerability Database Mar 15, 2002
Published to the GitHub Advisory Database May 3, 2022
Last updated Feb 1, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(98th percentile)

Weaknesses

No CWEs

CVE ID

CVE-2002-0059

GHSA ID

GHSA-8894-p74v-5485

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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