glibc: nscd buffer manipulation vulnerability could lead to code execution or crash
Published Jun 12, 2017
9.8
CRITICALCVSS 3.0
EPSS 4.44%
Description
nscd in the GNU C Library (aka glibc or libc6) before version 2.20 does not correctly compute the size of an internal buffer when processing netgroup requests, possibly leading to an nscd daemon crash or code execution as the user running nscd.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
compat-glibc
Not affected
Red Hat Enterprise Linux 5
glibc
Not affected
Red Hat Enterprise Linux 6
compat-glibc
Not affected
Red Hat Enterprise Linux 6
glibc
Not affected
Red Hat Enterprise Linux 7
compat-glibc
Not affected
Red Hat Enterprise Linux 7
glibc
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | compat-glibc | Not affected | n/a |
| Red Hat Enterprise Linux 5 | glibc | Not affected | n/a |
| Red Hat Enterprise Linux 6 | compat-glibc | Not affected | n/a |
| Red Hat Enterprise Linux 6 | glibc | Not affected | n/a |
| Red Hat Enterprise Linux 7 | compat-glibc | Not affected | n/a |
| Red Hat Enterprise Linux 7 | glibc | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of glibc as shipped with Red Hat Enterprise Linux 5 as they did not include support for netgroups. Red Hat Enterprise Linux 6 and 7 already include the fixed version of the package.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.44% (0.04440) | 91.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.44% (0.04440) | 90.13th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.91% (0.00913) | 73.75th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.08% (0.03077) | 77.82th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.91% (0.00913) | 74.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.09% (0.02088) | 89.55th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.48% (0.01482) | 85.31th | v3 (v2023.03.01) |
| May 23, 2023 | 1.76% (0.01765) | 86.15th | v3 (v2023.03.01) |
| May 8, 2023 | 1.79% (0.01785) | 86.21th | v3 (v2023.03.01) |
| Mar 28, 2023 | 1.26% (0.01264) | 83.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.78% (0.01782) | 86.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.91% (0.03910) | 85.66th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.91% (0.03910) | 84.19th | v2 (v2022.01.01) |
| Mar 9, 2022 | 3.91% (0.03910) | 67.96th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.81% (0.03806) | 67.27th | v2 (v2022.01.01) |
References (13)
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html x_refsource_MISC
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html x_refsource_MISC
- http://seclists.org/fulldisclosure/2019/Jun/18 mailing-listx_refsource_FULLDISC
- http://seclists.org/fulldisclosure/2019/Sep/7 mailing-listx_refsource_FULLDISC
- http://www.securityfocus.com/bid/99071 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2014-9984 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1463288 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-9984
- https://seclists.org/bugtraq/2019/Jun/14 mailing-listx_refsource_BUGTRAQ
- https://seclists.org/bugtraq/2019/Sep/7 mailing-listx_refsource_BUGTRAQ
- https://sourceware.org/bugzilla/show_bug.cgi?id=16695 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=c44496df2f090a56d3bf75df930592dac6bba46f x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2014-9984
Change history (0)
No recorded changes yet.