binutils: Unchecked strnlen in opncls.c:bfd_get_debug_link_info_1() can allow lead to denial of service
Published Feb 6, 2018
5.5
MEDIUMCVSS 3.1
EPSS 2.09%
Description
The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
binutils
Out of support scope
Red Hat Enterprise Linux 5
binutils220
Out of support scope
Red Hat Enterprise Linux 6
binutils
Out of support scope
Red Hat Enterprise Linux 7
binutils
Will not fix
Red Hat Enterprise Linux 8
binutils
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | binutils | Out of support scope | n/a |
| Red Hat Enterprise Linux 5 | binutils220 | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | binutils | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | binutils | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | binutils | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.09% (0.02091) | 80.94th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.09% (0.02091) | 80.81th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.60% (0.03604) | 88.96th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.09% (0.02091) | 80.40th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.60% (0.03604) | 88.72th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.09% (0.02091) | 80.30th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.60% (0.03604) | 88.65th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.09% (0.02091) | 80.19th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.60% (0.03604) | 88.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.13% (0.02131) | 79.51th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.32% (0.00320) | 52.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.74% (0.00743) | 81.57th | v3 (v2023.03.01) |
| Jun 23, 2024 | 0.74% (0.00743) | 80.98th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.53% (0.00525) | 76.43th | v3 (v2023.03.01) |
| Jan 17, 2024 | 0.53% (0.00525) | 74.43th | v3 (v2023.03.01) |
| Dec 17, 2023 | 0.44% (0.00444) | 72.14th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.37% (0.00369) | 69.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00361) | 67.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (9)
- 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/103030 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-6759 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1543244 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-6759
- https://security.gentoo.org/glsa/201811-17 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=22794 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6759
| 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/103030 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-6759 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1543244 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-6759 | ||
| https://security.gentoo.org/glsa/201811-17 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://sourceware.org/bugzilla/show_bug.cgi?id=22794 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-6759 |
Change history (0)
No recorded changes yet.