CVE-2023-29583

MEDIUM EPSS 20.4%

Published Apr 24, 20233y ago · Modified Jun 17, 20262w ago

5.5 CVSS 3.1

Medium

Published Apr 24, 2023 3y ago

Last Modified Jun 17, 2026 2w ago

Description

yasm 1.3.0.55.g101bc was discovered to contain a stack overflow via the function parse_expr5 at /nasm/nasm-parse.c. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.

CVSS Details

Base Score

5.5

Exploitability

1.8

Impact

3.6

Vector string

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector Local

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

20.4% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 2

CWE-121

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

Vendor	Product	Version	Range
yasm_project	yasm	1.3.0.55.g101bc	any

References 2

github.com https://github.com/yasm/yasm/issues/218

ExploitIssue Tracking
github.com https://github.com/z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr5/readme.md

Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.