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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductBzip3
PublishedApr 6, 2023
First seenApr 6, 2023
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- bzip3_project bzip31.2.3 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bzip3_project bzip3 | v < 1.2.3 | 1.2.3 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.