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

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.

Published 2023-04-06 05:15:08

Updated 2023-04-15 04:16:09

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2023-29420

Bzip3 Project » Bzip3
Versions before (<) 1.2.3
cpe:2.3:a:bzip3_project:bzip3:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.41%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 75 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Assigned by: nvd@nist.gov (Primary)

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