What is CVE-2022-29654?

CVE-2022-29654 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-08-22.

How severe is CVE-2022-29654?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Nasm Netwide Assembler

CVE-2022-29654

Buffer overflow vulnerability in quote_for_pmake in asm/nasm.c in nasm before 2.15.05 allows attackers to cause a denial of service via crafted file.

Vulnerability class: Buffer Overflow

Published 2023-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Nasm Netwide Assembler

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.nasm.us/pub/nasm/releasebuilds/2.15.05/ (Product)
gist.github.com/naihsin/b96e2c5c2c81621b46557fd7aacd165f (Exploit, Third Party Advisory)
gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html (Product)

Frequently asked questions

What is CVE-2022-29654?: CVE-2022-29654 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-08-22.
How severe is CVE-2022-29654?: Medium severity. CVSS v3 base score is 5.5 out of 10.