Base Score

HIGH8.8

CVE-2023-29421

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

VectorNETWORK

Published Bycve@mitre.org

Published DateApr 06, 2023, 05:15

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

8.8

Vector String

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

Base Severity

HIGH

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH

References

https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3
https://github.com/kspalaiologos/bzip3/issues/94
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
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/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/

Base Score

HIGH8.8

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

8.8

Vector String

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

Base Severity

HIGH

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH