High severity7.8NVD Advisory· Published Nov 12, 2018· Updated Jun 17, 2026

CVE-2018-19215

Description

Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nasm/Netwide Assembler
cpe:2.3:a:nasm:netwide_assembler:12.14:rc16:*:*:*:*:*:*
Red Hat/Enterprise Linux Server3 versions
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Netwide Assembler (NASM)/NASMllm-fuzzy
Range: = 2.14rc16
osv-coords4 versions
pkg:rpm/opensuse/nasm&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/nasm&distro=openSUSE%20Leap%2015.2 pkg:rpm/suse/nasm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/nasm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2
< 2.14.02-lp151.3.3.1+ 3 more
- (no CPE)range: < 2.14.02-lp151.3.3.1
- (no CPE)range: < 2.14.02-lp152.4.3.1
- (no CPE)range: < 2.14.02-3.4.1
- (no CPE)range: < 2.14.02-3.4.1

Patches

Vulnerability mechanics

References

bugzilla.nasm.us/show_bug.cginvdExploitIssue Tracking
repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4fnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.htmlnvd
lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.htmlnvd

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000