nasm: NULL pointer dereference in find_label in asm/labels.c
Published Nov 12, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.78%
Description
Netwide Assembler (NASM) 2.14rc15 has a NULL pointer dereference in the function find_label in asm/labels.c that will lead to a DoS attack.
Affected products
No data.
- 2.14.0
No data.
Red Hat Enterprise Linux 5
nasm
Not affected
Red Hat Enterprise Linux 6
nasm
Not affected
Red Hat Enterprise Linux 7
nasm
Not affected
Red Hat Enterprise Linux 8
nasm
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | nasm | Not affected | n/a |
| Red Hat Enterprise Linux 6 | nasm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | nasm | Not affected | n/a |
| Red Hat Enterprise Linux 8 | nasm | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of nasm as shipped with Red Hat Enterprise Linux 5, 6, and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.78% (0.00775) | 54.15th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.78% (0.00775) | 54.26th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00061) | 26.70th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.06% (0.00061) | 26.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00061) | 24.03th | 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 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2018-19209 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1652027 Issue Tracking
- https://bugzilla.suse.com/show_bug.cgi?id=1115797 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19209
- https://repo.or.cz/nasm.git/commitdiff/e996d28c70d45008085322b442b44a9224308548 x_refsource_MISCPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-19209
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-19209 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1652027 | Issue Tracking | |
| https://bugzilla.suse.com/show_bug.cgi?id=1115797 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-19209 | ||
| https://repo.or.cz/nasm.git/commitdiff/e996d28c70d45008085322b442b44a9224308548 | x_refsource_MISCPatchThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-19209 |
Change history (0)
No recorded changes yet.