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CVE-2023-29582

20
FAUCET Score

CVE-2023-29582 describes a stack overflow vulnerability in yasm 1.3.0.55.g101bc, specifically within the parse_expr1 function in nasm-parse.c. This vulnerability carries a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high availability impact. While the vulnerability is disputed by some as a bug rather than a security issue due to yasm's standalone nature, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.0.55.g101bcCPE matchmatch criteria
cpe:2.3:a:yasm_project:yasm:1.3.0.55.g101bc:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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 Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
27.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 34th percentile among its peer group of 5,760 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

microsoft2023-Apr/CVE-2023-29582Moderate

yasm 1.3.0.55.g101bc was discovered to contain a stack overflow via the function parse_expr1 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.

Apr 11, 2023

References

bugzilla.redhat.com / show_bug.cgi
github.com / yasm/yasm/issues/217
ExploitIssue Tracking
github.com / z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr1/readme.md
Exploit