nasm: Heap-based buffer over-read in detoken function in asm/preproc.c
Published Dec 21, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.45%
Description
In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read in the function detoken() in asm/preproc.c that will cause a remote denial of service attack.
Affected products
No data.
Configuration 1
- 2.14
Configuration 2
- 14.04
No data.
Red Hat Enterprise Linux 5
nasm
Will not fix
Red Hat Enterprise Linux 6
nasm
Will not fix
Red Hat Enterprise Linux 7
nasm
Will not fix
| 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 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.45% (0.01451) | 72.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.45% (0.01451) | 69.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00198) | 39.72th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.38% (0.00384) | 73.33th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00382) | 72.29th | v3 (v2023.03.01) |
| Nov 30, 2023 | 0.38% (0.00382) | 70.03th | v3 (v2023.03.01) |
| Oct 30, 2023 | 0.29% (0.00293) | 65.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00244) | 60.49th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (7)
- http://repo.or.cz/nasm.git/commit/9b7ee09abfd426b99aa1ea81d19a3b2818eeabf9 x_refsource_MISCPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2017-17812 Vendor Advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392424 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1529319 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-17812
- https://usn.ubuntu.com/3694-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-17812
| Link | Providers | Tags |
|---|---|---|
| http://repo.or.cz/nasm.git/commit/9b7ee09abfd426b99aa1ea81d19a3b2818eeabf9 | x_refsource_MISCPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-17812 | Vendor Advisory | |
| https://bugzilla.nasm.us/show_bug.cgi?id=3392424 | x_refsource_MISCExploitIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1529319 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-17812 | ||
| https://usn.ubuntu.com/3694-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-17812 |
Change history (0)
No recorded changes yet.