TI-2023-14260 Aliases CVE-2023-30402 GHSA-vfgv-q9rw-8wc7

YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label…

LOW 25CWE-787Published 2023-04-25 · Updated 2024-08-02

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: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00291 21st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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:::::::*	1.3.0	Vulnerable	Yasm Project

cpe:2.3:a:yasm_project:yasm:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·Yasm Project

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2023-30402
2026-10-03 Alias added: GHSA-vfgv-q9rw-8wc7

References

Exploit 1

https://github.com/yasm/yasm/issues/206

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