CVE-2023-29416

Published: Apr 6, 2023Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.

Affected (1)

Products: Bzip3 Project: Bzip3

Bzip3 Project

1 product

Bzip3

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Bzip3 Project Bzip3	Before 1.3.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (12)

https://github.com/kspalaiologos/bzip3/commit/bfa5bf82b53715dfedf048e5859a46cf248668ff

Source: cve@mitre.org

Patch

https://github.com/kspalaiologos/bzip3/compare/1.2.3...1.3.0

Source: cve@mitre.org

Release Notes

https://github.com/kspalaiologos/bzip3/issues/92

Source: cve@mitre.org

ExploitIssue TrackingPatch

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/

Source: cve@mitre.org

https://github.com/kspalaiologos/bzip3/commit/bfa5bf82b53715dfedf048e5859a46cf248668ff