VulnerabilityModified
CVE-2023-29416
A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.
MEDIUM 6.5EPSS 0.90%
Does this matter?
Lower severity and a low EPSS score (0.90%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.90% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- bzip3 project/bzip3
- Source
- cve@mitre.org
References
- https://github.com/kspalaiologos/bzip3/commit/bfa5bf82b53715dfedf048e5859a46cf248668ffPatch
- https://github.com/kspalaiologos/bzip3/compare/1.2.3...1.3.0Release Notes
- https://github.com/kspalaiologos/bzip3/issues/92Exploit, Issue Tracking, Patch
- 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/
- https://github.com/kspalaiologos/bzip3/commit/bfa5bf82b53715dfedf048e5859a46cf248668ffPatch
- https://github.com/kspalaiologos/bzip3/compare/1.2.3...1.3.0Release Notes
- https://github.com/kspalaiologos/bzip3/issues/92Exploit, Issue Tracking, Patch
- 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/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.