What’s Vulnerable › Vulnerabilities

CVE-2023-31725

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-17 · updated 2026-06-17
• Weakness: CWE-416

Description

yasm 1.3.0.55.g101bc was discovered to contain a heap-use-after-free via the function expand_mmac_params at yasm/modules/preprocs/nasm/nasm-pp.c.

Affected products

• Yasm Project Yasm: 1.3.0.55.g101bc

References

• https://github.com/DaisyPo/fuzzing-vulncollect/tree/main/yasm/heap-use-after-free/nasm-pp.c:3878%20in%20expand_mmac_params
• https://github.com/yasm/yasm/issues/221
• https://github.com/DaisyPo/fuzzing-vulncollect/tree/main/yasm/heap-use-after-free/nasm-pp.c:3878%20in%20expand_mmac_params
• https://github.com/yasm/yasm/issues/221

Get alerted when CVE-2023-31725 or the next vulnerability affects your stack