MEDIUM
nasm: NULL Pointer Dereference in asm/labels.c
Published Sep 6, 2018
5.5
MEDIUMCVSS 3.1
EPSS 5.17%
Description
asm/labels.c in Netwide Assembler (NASM) is prone to NULL Pointer Dereference, which allows the attacker to cause a denial of service via a crafted file.
Affected products
No data.
OR
- ≤ 2.13.03
- 2.14
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 2.14.0
- 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
Will not fix
| 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 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
2.5 LOW Red Hat
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.17% 0.05166
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05166
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.17% (0.05166) | 92.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.17% (0.05166) | 91.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.60% (0.01597) | 80.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00197) | 58.52th | v3 (v2023.03.01) |
| Oct 5, 2023 | 0.19% (0.00192) | 56.48th | v3 (v2023.03.01) |
| Aug 31, 2023 | 0.19% (0.00187) | 55.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00160) | 50.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.92% (0.02919) | 83.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.92% (0.02919) | 81.55th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.92% (0.02919) | 64.04th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.62% (0.07623) | 84.03th | v1 |
| Jan 6, 2022 | 7.62% (0.07623) | 83.88th | v1 |
| Sep 1, 2021 | 7.62% (0.07623) | 91.46th | v1 |
| Apr 14, 2021 | 7.62% (0.07623) | 0.00th | v1 |
Weaknesses (1)
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/152566/Netwide-Assembler-NASM-2.14rc15-Null-Pointer-Dereference.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-16517 Vendor Advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392513 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1626549 Issue Tracking
- https://fakhrizulkifli.github.io/CVE-2018-16517.html x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-16517
- https://www.cve.org/CVERecord?id=CVE-2018-16517
- https://www.exploit-db.com/exploits/46726/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://packetstormsecurity.com/files/152566/Netwide-Assembler-NASM-2.14rc15-Null-Pointer-Dereference.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-16517 | Vendor Advisory | |
| https://bugzilla.nasm.us/show_bug.cgi?id=3392513 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1626549 | Issue Tracking | |
| https://fakhrizulkifli.github.io/CVE-2018-16517.html | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-16517 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-16517 | ||
| https://www.exploit-db.com/exploits/46726/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 6, 2018
Updated Aug 5, 2024
Reserved Sep 5, 2018
Link CVE-2018-16517
CISA Vulnrichment
Updated n/a