CVE-2023-29421
HIGHCVSS 8.8/10EPSS 0.92%
Last modified
CVE-2023-29421 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_block.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bzip3 Project | Bzip3 | < 1.2.3 |
References
- https://github.com/kspalaiologos/bzip3/issues/94Exploit, Issue Tracking, Patch
- https://github.com/kspalaiologos/bzip3/issues/94Exploit, Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2023-29421?
CVE-2023-29421 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2023-29421?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-29421?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST