CVE-2021-36976

medium

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).

References

Advisories

https://support.apple.com/kb/HT213193

https://support.apple.com/kb/HT213183

https://support.apple.com/kb/HT213182

https://security.gentoo.org/glsa/202208-26

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375

http://seclists.org/fulldisclosure/2022/Mar/29

http://seclists.org/fulldisclosure/2022/Mar/28

http://seclists.org/fulldisclosure/2022/Mar/27

Details

Source: Mitre, NVD

Published: 2021-07-20

Updated: 2024-03-27

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00112