CRITICAL
gc: Integer overflow in GC_MALLOC_ATOMIC
Published Dec 12, 2016
9.8
CRITICALCVSS 3.1
EPSS 4.14%
Description
Integer overflow vulnerability in bdwgc before 2016-09-27 allows attackers to cause client of bdwgc denial of service (heap buffer overflow crash) and possibly execute arbitrary code via huge allocation.
Affected products
No data.
Configuration 1
- ≤ 7.4.4
Configuration 2
- 9.0
No data.
Red Hat Enterprise Linux 6
gc
Will not fix
Red Hat Enterprise Linux 6
gcc
Will not fix
Red Hat Enterprise Linux 7
gc
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | gc | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | gcc | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | gc | 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
7.5 HIGH Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
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.
4.14% 0.04140
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04140
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.14% (0.04140) | 90.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.14% (0.04140) | 89.50th | v5 (v2026.06.15) |
| Jun 6, 2026 | 3.57% (0.03566) | 87.95th | v4 (v2025.03.14) |
| Sep 7, 2025 | 2.41% (0.02406) | 84.49th | v4 (v2025.03.14) |
| Jun 3, 2025 | 0.91% (0.00911) | 74.81th | v4 (v2025.03.14) |
| Jun 2, 2025 | 2.66% (0.02657) | 85.10th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.29% (0.01291) | 77.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.61% (0.04615) | 81.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.29% (0.01291) | 78.28th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.57% (0.02568) | 89.92th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.80% (0.00802) | 81.26th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.70% (0.00697) | 79.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00697) | 77.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.71% (0.02714) | 82.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.71% (0.02714) | 81.18th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.71% (0.02714) | 63.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.46% (0.02464) | 58.48th | v2 (v2022.01.01) |
Weaknesses (2)
References (10)
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00089.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00115.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/18/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94407 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-9427 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1399674 Issue Tracking
- https://github.com/ivmai/bdwgc/issues/135 x_refsource_CONFIRMIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2022/03/msg00039.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9427
- https://www.cve.org/CVERecord?id=CVE-2016-9427
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2016-12/msg00089.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-updates/2016-12/msg00115.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/11/18/3 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/94407 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-9427 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1399674 | Issue Tracking | |
| https://github.com/ivmai/bdwgc/issues/135 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00039.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9427 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-9427 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 12, 2016
Updated Aug 6, 2024
Reserved Nov 18, 2016
Link CVE-2016-9427
CISA Vulnrichment
Updated n/a