CVE-2020-21674

Medium

Description

Heap-based buffer overflow in archive_string_append_from_wcs() (archive_string.c) in libarchive-3.4.1dev allows remote attackers to cause a denial of service (out-of-bounds write in heap memory resulting into a crash) via a crafted archive file. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.

SeverityMedium
CVSS6.5
Exploit probability—
ProductLibarchive
PublishedOct 15, 2020
First seenOct 15, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
libarchive libarchive3.4.1—

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