CVE-2019-6291

An issue was discovered in the function expr6 in eval.c in Netwide Assembler (NASM) through 2.14.02. There is a stack exhaustion problem caused by the expr6 function making recursive calls to itself in certain scenarios involving lots of '!' or '+' or '-' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted asm file.

CVSS v3.0

5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.27% chance of exploitation in the next 30 days, 68th percentile

Published

2019-01-15

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://bugzilla.nasm.us/show_bug.cgi?id=3392549

References

• CVE Record
• NVD entry

Related

• CVE-2019-6290
• CVE-2019-6292
• CVE-2019-6286
• CVE-2019-6293
• CVE-2019-6285
• CVE-2019-6294