CVE-2023-31725

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.

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.29% chance of exploitation in the next 30 days, 21th percentile

Published

2023-05-17

Updated

2025-01-22

Proof-of-concept exploits (2)

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

References

• CVE Record
• NVD entry

Related

• CVE-2023-2789
• CVE-2023-31723
• CVE-2023-31724
• CVE-2021-33454
• CVE-2021-33455
• CVE-2021-33456