binutils: Integer overflow in load_specific_debug_section function
Published Jan 4, 2019
5.5
MEDIUMCVSS 3.0
EPSS 1.97%
Description
load_specific_debug_section in objdump.c in GNU Binutils through 2.31.1 contains an integer overflow vulnerability that can trigger a heap-based buffer overflow via a crafted section size.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
binutils
Not affected
Red Hat Enterprise Linux 6
binutils
Not affected
Red Hat Enterprise Linux 7
binutils
Not affected
Red Hat Enterprise Linux 8
binutils
Will not fix
Red Hat Enterprise Linux 8
mingw-binutils
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | binutils | Not affected | n/a |
| Red Hat Enterprise Linux 6 | binutils | Not affected | n/a |
| Red Hat Enterprise Linux 7 | binutils | Not affected | n/a |
| Red Hat Enterprise Linux 8 | binutils | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | mingw-binutils | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of binutils as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include the vulnerable code. Moreover the flaw can only be triggered on 32bit versions of the component.
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:L/I:L/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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.97% (0.01973) | 79.71th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.97% (0.01973) | 79.55th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.23% (0.03235) | 87.72th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.97% (0.01973) | 79.12th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.23% (0.03235) | 87.45th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.97% (0.01973) | 79.02th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.23% (0.03235) | 87.37th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.97% (0.01973) | 78.90th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.23% (0.03235) | 87.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.98% (0.01982) | 77.89th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00084) | 22.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00113) | 46.42th | v3 (v2023.03.01) |
| Dec 29, 2023 | 0.11% (0.00113) | 44.59th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.10% (0.00095) | 39.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00078) | 31.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/106457 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-20671 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1664712 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-20671
- https://sourceware.org/bugzilla/show_bug.cgi?id=24005 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11fa9f134fd658075c6f74499c780df045d9e9ca x_refsource_MISC
- https://usn.ubuntu.com/4336-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-20671
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/106457 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-20671 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1664712 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-20671 | ||
| https://sourceware.org/bugzilla/show_bug.cgi?id=24005 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11fa9f134fd658075c6f74499c780df045d9e9ca | x_refsource_MISC | |
| https://usn.ubuntu.com/4336-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2018-20671 |
Change history (0)
No recorded changes yet.