Moderate: libtar security update

2023-05-1600:00:00

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osv.dev

libtar

security update

moderate risk

out-of-bounds read

memory leaks

cve-2021-33643

cve-2021-33644

cve-2021-33645

cve-2021-33646

almalinux release notes

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

8.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.6%

JSON

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.

Security Fix(es):

libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)
libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)
libtar: memory leak found in th_read() function (CVE-2021-33645)
libtar: memory leak found in th_read() function (CVE-2021-33646)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.