Vulnerability 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.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bzip3 Project | Bzip3 | < 1.2.3 |
Related Weaknesses (CWE)
References
- https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3Release Notes
- https://github.com/kspalaiologos/bzip3/issues/94ExploitIssue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3Release Notes
- https://github.com/kspalaiologos/bzip3/issues/94ExploitIssue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2023-29421?
CVE-2023-29421 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_block.
How severe is CVE-2023-29421?
CVE-2023-29421 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-29421?
Check the references section above for vendor advisories and patch information. Affected products include: Bzip3 Project Bzip3.