elfutils: Heap-based buffer over-read in libdw/dwarf_getabbrev.c and libwd/dwarf_hasattr.c causes crash
Published Sep 3, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.12%
Description
libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.
Affected products
No data.
- 0.173
No data.
Red Hat Ansible Tower 3.4 for RHEL 7
ansible-tower-34/ansible-tower-memcached:1.4.15-28
Fixed · RHBA-2020:0547
Red Hat Ansible Tower 3.4 for RHEL 7
ansible-tower-35/ansible-tower-memcached:1.4.15-28
Fixed · RHBA-2020:0547
Red Hat Ansible Tower 3.4 for RHEL 7
ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28
Fixed · RHBA-2020:0547
Red Hat Enterprise Linux 7
elfutils-0:0.176-2.el7
Fixed · RHSA-2019:2197
Red Hat Enterprise Linux 5
elfutils
Will not fix
Red Hat Enterprise Linux 6
elfutils
Will not fix
Red Hat Enterprise Linux 8
elfutils
Not affected
Red Hat Virtualization 4
elfutils
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ansible Tower 3.4 for RHEL 7 | ansible-tower-34/ansible-tower-memcached:1.4.15-28 | Fixed | RHBA-2020:0547 |
| Red Hat Ansible Tower 3.4 for RHEL 7 | ansible-tower-35/ansible-tower-memcached:1.4.15-28 | Fixed | RHBA-2020:0547 |
| Red Hat Ansible Tower 3.4 for RHEL 7 | ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28 | Fixed | RHBA-2020:0547 |
| Red Hat Enterprise Linux 7 | elfutils-0:0.176-2.el7 | Fixed | RHSA-2019:2197 |
| Red Hat Enterprise Linux 5 | elfutils | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | elfutils | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | elfutils | Not affected | n/a |
| Red Hat Virtualization 4 | elfutils | 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 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.12% (0.01123) | 65.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.22% (0.01218) | 64.55th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00108) | 26.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00200) | 58.83th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.20% (0.00200) | 57.64th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.18% (0.00179) | 54.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00150) | 49.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/errata/RHSA-2019:2197 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-16403 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1625055 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-16403
- https://sourceware.org/bugzilla/show_bug.cgi?id=23529 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://sourceware.org/git/?p=elfutils.git%3Ba=commit%3Bh=6983e59b727458a6c64d9659c85f08218bc4fcda x_refsource_MISC
- https://usn.ubuntu.com/4012-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-16403
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/errata/RHSA-2019:2197 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2018-16403 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1625055 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-16403 | ||
| https://sourceware.org/bugzilla/show_bug.cgi?id=23529 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://sourceware.org/git/?p=elfutils.git%3Ba=commit%3Bh=6983e59b727458a6c64d9659c85f08218bc4fcda | x_refsource_MISC | |
| https://usn.ubuntu.com/4012-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2018-16403 |
Change history (0)
No recorded changes yet.