What is CVE-2019-14248?

CVE-2019-14248 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2019-07-24.

How severe is CVE-2019-14248?

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

Is CVE-2019-14248 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Nasm Netwide Assembler

CVE-2019-14248

In libnasm.a in Netwide Assembler (NASM) 2.14.xx, asm/pragma.c allows a NULL pointer dereference in process_pragma, search_pragma_list, and nasm_set_limit when "%pragma limit" is mishandled.

Published 2019-07-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Nasm Netwide Assembler

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

bugzilla.nasm.us/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-14248?: CVE-2019-14248 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2019-07-24.
How severe is CVE-2019-14248?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2019-14248 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.