CVEvulnerability

CVE-2020-21674

6.5 MEDIUM Published 2020-10-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-10-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-787

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.

Affected configurations

• libarchive libarchive 3.4.1

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References