CVE-2023-29421 — Out-of-bounds Write in Project Bzip3

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 64.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Bzip3 Project Bzip3Debian Bzip3
Timeline
PublishedApr 6

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/bzip3< bzip3 1.2.2-2 (bookworm)
▶NVDbzip3_project/bzip3< 1.2.3
▶Debianbzip3_project/bzip3< 1.2.2-2+2

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2023-29421: An issue was discovered in libbzip3↗2023-04-06
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GHSA
GHSA-jxf3-h258-gvf9: An issue was discovered in libbzip3↗2023-04-06
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📋Vendor Advisories

1
Debian
CVE-2023-29421: bzip3 - An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-...↗2023
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