nasm: Illegal address access in find_cc function in asm/preproc.c
Published Dec 21, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.37%
Description
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.
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 2, 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 2, 2026 | 1.37% (0.01369) | 70.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.37% (0.01369) | 68.22th | v5 (v2026.06.15) |
| Aug 3, 2025 | 0.20% (0.00198) | 42.30th | 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/7524cfd91492e6e3719b959498be584a9ced13af x_refsource_MISCPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2017-17819 Vendor Advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392435 x_refsource_MISCExploitIssue TrackingTool SignatureVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1529334 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-17819
- https://usn.ubuntu.com/3694-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-17819
| Link | Providers | Tags |
|---|---|---|
| http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af | x_refsource_MISCPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-17819 | Vendor Advisory | |
| https://bugzilla.nasm.us/show_bug.cgi?id=3392435 | x_refsource_MISCExploitIssue TrackingTool SignatureVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1529334 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-17819 | ||
| https://usn.ubuntu.com/3694-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-17819 |
Change history (0)
No recorded changes yet.