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CVE-2023-29583

20
FAUCET Score

CVE-2023-29583 describes a stack overflow vulnerability in yasm version 1.3.0.55.g101bc, specifically within the parse_expr5 function in nasm-parse.c. This issue 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 some dispute its security relevance due to yasm's standalone nature, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

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
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
20.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 25th percentile among its peer group of 5,758 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

Remediation records are not available for this CVE.

References

github.com / yasm/yasm/issues/218
ExploitIssue Tracking
github.com / z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr5/readme.md
Exploit