nasm: Stack buffer underflow in function ieee_shr at source file asm/float.c
Published Mar 20, 2018
7.8
HIGHCVSS 3.0
EPSS 0.37%
Description
Netwide Assembler (NASM) 2.13.02rc2 has a stack-based buffer under-read in the function ieee_shr in asm/float.c via a large shift value.
Affected products
No data.
- 2.13.02
No data.
Red Hat Enterprise Linux 5
nasm
Not affected
Red Hat Enterprise Linux 6
nasm
Will not fix
Red Hat Enterprise Linux 7
nasm
Fix deferred
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 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | nasm | Fix deferred | 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:L/AC:L/Au:N/C:P/I:P/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00371) | 28.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.37% (0.00371) | 31.00th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00052) | 21.27th | v3 (v2023.03.01) |
| Jun 1, 2024 | 0.05% (0.00052) | 20.51th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.05% (0.00052) | 18.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (7)
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2018-8882 Vendor Advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392445 x_refsource_MISCIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1559913 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-8882
- https://www.cve.org/CVERecord?id=CVE-2018-8882
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/security/cve/CVE-2018-8882 | Vendor Advisory | |
| https://bugzilla.nasm.us/show_bug.cgi?id=3392445 | x_refsource_MISCIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1559913 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-8882 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-8882 |
Change history (0)
No recorded changes yet.