CVE-2023-29421

high

Description

An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_block.

References

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

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

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

https://github.com/kspalaiologos/bzip3/issues/94

https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3

Details

Source: Mitre, NVD

Published: 2023-04-06

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 10

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

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High