CVE-2018-19213 — nasm: memory leaks in nasm_malloc in nasmlib/malloc.c

MEDIUM

nasm: memory leaks in nasm_malloc in nasmlib/malloc.c

Published Nov 12, 2018

5.5

MEDIUM

CVSS 3.0

EPSS 0.75%

Netwide Assembler (NASM) through 2.14rc16 has memory leaks that may lead to DoS, related to nasm_malloc in nasmlib/malloc.c.

Product	Package	State	Advisory
Red Hat Enterprise Linux 5	nasm	Will not fix	n/a
Red Hat Enterprise Linux 6	nasm	Will not fix	n/a
Red Hat Enterprise Linux 7	nasm	Will not fix	n/a
Red Hat Enterprise Linux 8	nasm	Will not fix	n/a

No remediation recorded yet.

0.75% 0.00750

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00750

2021–2026

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.75% (0.00750)	53.25th	v5 (v2026.06.15)
Sep 20, 2026	0.75% (0.00750)	53.44th	v5 (v2026.06.15)
Jul 20, 2024	0.05% (0.00051)	20.41th	v3 (v2023.03.01)
Apr 25, 2024	0.05% (0.00051)	18.51th	v3 (v2023.03.01)
Mar 15, 2024	0.05% (0.00049)	15.50th	v3 (v2023.03.01)
Feb 8, 2024	0.04% (0.00044)	10.26th	v3 (v2023.03.01)
Mar 7, 2023	0.06% (0.00056)	21.55th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.42% (0.00416)	10.04th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1

Weaknesses (2)

CWE-400

Uncontrolled Resource Consumption

CWE-772

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2018-19213		Vendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392524		x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1652029		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2018-19213
https://www.cve.org/CVERecord?id=CVE-2018-19213