CVE-2023-29420 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Project Bzip3

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.6%
top 30.18%
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 a crash caused by an invalid memmove in bz3_decode_block.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

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 ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-c89p-xpwc-c8c4: An issue was discovered in libbzip3↗2023-04-06
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OSV
CVE-2023-29420: An issue was discovered in libbzip3↗2023-04-06
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📋Vendor Advisories

1
Debian
CVE-2023-29420: bzip3 - An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is a crash ca...↗2023
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