Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-37732

16
FAUCET Score

CVE-2023-37732 describes a NULL Pointer Dereference vulnerability in Yasm v1.3.0.78, specifically within the /libyasm/intnum.c and /elf/elf.c files. This flaw allows an unauthenticated attacker to trigger a denial of service by providing a specially crafted file. Rated 5.5 (Medium) on the CVSS scale, exploitation requires local access and user interaction (e.g., opening a malicious file), leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.0.78.g4dc8CPE matchmatch criteria
cpe:2.3:a:yasm_project:yasm:1.3.0.78.g4dc8:*:*:*:*:*:*:*

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
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 36th 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

Patch Available

Vendor Patches (3)

microsoftpatch availablevia msrc
Product: azl3 yasm 1.3.0-16 on Azure Linux 3.0Fixed in: 1.3.0-16
microsoftpatch availablevia msrc
Product: 18417-17084Fixed in: 1.3.0-16
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: yasm

Vendor Advisories (2)

redhatCVE-2023-37732Low

yasm: SEGV in yasm/libyasm/intnum.c in function yasm_intnum_copy()

Jul 26, 2023
microsoft2023-Jul/CVE-2023-37732Moderate

Yasm v1.3.0.78 was found prone to NULL Pointer Dereference in /libyasm/intnum.c and /elf/elf.c, which allows the attacker to cause a denial of service via a crafted file.

Jul 11, 2023

References

gist.github.com / ChanStormstout/02eea9cf5c002b42b2ff3de5ca939520
Third Party Advisory
github.com / yasm/yasm/issues/233
Exploit