CRITICAL
libdwarf: Negation overflow in dwarf_leb.c
Published Feb 28, 2017
9.8
CRITICALCVSS 3.1
EPSS 5.11%
Description
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."
Affected products
No data.
- ≥ 1999-12-14 · < 2016-11-24
No data.
Red Hat Enterprise Linux 7
libdwarf
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libdwarf | 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.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
3.3 LOW Red Hat
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.11% 0.05111
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05111
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.11% (0.05111) | 92.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.11% (0.05111) | 91.26th | v5 (v2026.06.15) |
| Apr 17, 2026 | 2.68% (0.02676) | 85.85th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.16% (0.01160) | 76.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.26% (0.04259) | 81.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.16% (0.01160) | 77.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.28% (0.01284) | 86.35th | v3 (v2023.03.01) |
| May 3, 2024 | 1.28% (0.01284) | 85.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.28% (0.01284) | 83.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (1)
References (10)
- http://www.openwall.com/lists/oss-security/2016/11/19/6 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/23/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/94491 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-9558 Vendor Advisory
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ x_refsource_MISCExploitPatchThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1398176 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-9558
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-9558
- https://www.prevanders.net/dwarfbug.html x_refsource_CONFIRMThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/11/19/6 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/11/23/3 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/94491 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-9558 | Vendor Advisory | |
| https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ | x_refsource_MISCExploitPatchThird Party AdvisoryVDB Entry | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1398176 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9558 | ||
| https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2016-9558 | ||
| https://www.prevanders.net/dwarfbug.html | x_refsource_CONFIRMThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 28, 2017
Updated Aug 6, 2024
Reserved Nov 22, 2016
Link CVE-2016-9558
CISA Vulnrichment
Updated n/a