binutils: Use-after-free in the error function
Published Dec 31, 2018
5.5
MEDIUMCVSS 3.1
EPSS 1.82%
Description
In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.
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
Will not fix
| 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 | Will not fix | 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shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include the vulnerable code, which was introduced in a newer version of the package.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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:L/UI:N/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.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 6, 2025 · SSVC 2.0.3
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.82% (0.01817) | 77.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.82% (0.01825) | 75.94th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.21% (0.00206) | 40.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00145) | 51.91th | v3 (v2023.03.01) |
| Dec 25, 2023 | 0.14% (0.00142) | 49.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00119) | 44.36th | 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/106370 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-20623 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1664700 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-20623
- https://sourceware.org/bugzilla/show_bug.cgi?id=24049 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://support.f5.com/csp/article/K38336243 x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/4336-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-20623
| 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/106370 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-20623 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1664700 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-20623 | ||
| https://sourceware.org/bugzilla/show_bug.cgi?id=24049 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://support.f5.com/csp/article/K38336243 | x_refsource_CONFIRMThird Party Advisory | |
| https://usn.ubuntu.com/4336-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2018-20623 |
Change history (0)
No recorded changes yet.