CVE-2021-36976 - CVE House
Back to Database
Status published Medium CVE-2021-36976

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called...

Vulnerability Description

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-36976

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

libarchive, fedora, ipados, iphone os, macos, watchos, universal forwarder
Vulnerable Versions:
3.4.1, 35, 0, 8.2.0, 9.0.0, 9.1.0

Timeline

Official Publish: July 20th, 2021
Last Modified: November 3rd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.