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CVE-2023-38665

16
FAUCET Score

CVE-2023-38665 describes a null pointer dereference vulnerability in nasm 2.16rc0, specifically within the ieee_write_file function. This flaw can be triggered by an attacker, leading to a denial of service (crash) of the affected system. Rated as MEDIUM severity with a CVSS score of 5.5, it requires local access and user interaction to exploit, but has a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.16CPE matchmatch criteria
cpe:2.3:a:nasm:netwide_assembler:2.16:rc0:*:*:*:*:*:*

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
20.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 25th percentile among its peer group of 5,765 CVEs.

Social Chatter

No social media mentions found for this CVE.

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)

redhatCVE-2023-38665Low

nasm: NULL pointer dereference in ieee_write_file()

Oct 12, 2022

References

bugzilla.nasm.us / show_bug.cgi
ExploitIssue TrackingVendor Advisory