HIGH
libdwarf: Out-of-bounds read in dwarf_dealloc()
Published Feb 17, 2017
7.5
HIGHCVSS 3.1
EPSS 4.38%
Description
The dwarf_dealloc function in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted DWARF section.
Affected products
No data.
- ≥ 1999-12-14 · < 2016-09-23
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.38% 0.04379
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04379
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.38% (0.04379) | 90.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.38% (0.04379) | 90.00th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.99% (0.00993) | 74.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.68% (0.03684) | 79.59th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.99% (0.00993) | 75.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00140) | 51.26th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.14% (0.00140) | 49.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00140) | 47.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://www.openwall.com/lists/oss-security/2016/05/24/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/25/1 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-5043 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1340113 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-5043
- https://www.cve.org/CVERecord?id=CVE-2016-5043
- https://www.prevanders.net/dwarfbug.html x_refsource_CONFIRMThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/05/24/1 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/05/25/1 | mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-5043 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1340113 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-5043 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-5043 | ||
| https://www.prevanders.net/dwarfbug.html | x_refsource_CONFIRMThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 17, 2017
Updated Aug 6, 2024
Reserved May 24, 2016
Link CVE-2016-5043
CISA Vulnrichment
Updated n/a