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CVE-2021-33643

Status Candidate

Overview

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.

Related Files

Red Hat Security Advisory 2023-2898-01
Posted May 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2898-01 - The libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of the commonly used GNU extensions. Issues addressed include memory leak and out of bounds read vulnerabilities.

tags | advisory, vulnerability, memory leak
systems | linux, redhat, osx
advisories | CVE-2021-33643, CVE-2021-33644, CVE-2021-33645, CVE-2021-33646
SHA-256 | 7f829d5c46558d34b8e0966a6bbdb5512e0f0d8629e4740cf5754cbf01d65479
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