TI-2023-19245 Aliases CVE-2023-37732 GHSA-4p37-82f3-xmhv

Yasm v1.3.0.78 was found prone to NULL Pointer Dereference in /libyasm/intnum.c and…

MEDIUM 58CWE-476Published 2023-07-26 · Updated 2024-10-23

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.0037 31st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Will not fix Red Hat: no fix planned

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:yasm_project:yasm:1.3.0.78.g4dc8:::::::*	1.3.0.78.g4dc8	Vulnerable	Yasm Project

cpe:2.3:a:yasm_project:yasm:1.3.0.78.g4dc8:*:*:*:*:*:*:* Versions 1.3.0.78.g4dc8 Vulnerable ·Yasm Project

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 7	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 8	Affected	No fix planned: Will not fix

Timeline

2026-10-02 Threatist record created from CVE-2023-37732
2026-10-03 Alias added: GHSA-4p37-82f3-xmhv

References

Exploit 1

https://github.com/yasm/yasm/issues/233

Advisory 1

https://gist.github.com/ChanStormstout/02eea9cf5c002b42b2ff3de5ca939520

TI-2023-27061 An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via… CVSS 3.1MEDIUM 5.5
TI-2023-13935 yasm 1.3.0.55.g101bc was discovered to contain a stack overflow via the function… CVSS 3.1MEDIUM 6.2
TI-2023-27062 An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via… CVSS 3.1MEDIUM 5.5
TI-2023-27060 Buffer Overflow vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a… CVSS 3.1MEDIUM 5.5
TI-2023-27059 An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via… CVSS 3.1MEDIUM 5.5
TI-2023-27058 Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a… CVSS 3.1MEDIUM 5.5

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences