glibc: potential denial of service in internal_fnmatch()
Published Mar 20, 2017
5.9
MEDIUMCVSS 3.0
EPSS 2.42%
Description
The fnmatch function in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash) via a malformed pattern, which triggers an out-of-bounds read.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
glibc
Will not fix
Red Hat Enterprise Linux 6
glibc
Will not fix
Red Hat Enterprise Linux 7
glibc
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | glibc | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | glibc | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | glibc | Affected | 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:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.42% (0.02418) | 83.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.43% (0.02429) | 82.04th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.55% (0.00546) | 65.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.55% (0.00546) | 78.18th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.55% (0.00546) | 76.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00546) | 73.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (10)
- http://www.openwall.com/lists/oss-security/2015/02/26/5 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/14/9 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/72789 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-8984 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1197730 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-8984
- https://sourceware.org/bugzilla/show_bug.cgi?id=18032 x_refsource_CONFIRMIssue TrackingPatch
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=4a28f4d55a6cc33474c0792fe93b5942d81bf185 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2015-8984
- https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html mailing-listx_refsource_MLISTVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2015/02/26/5 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2017/02/14/9 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/72789 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2015-8984 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1197730 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8984 | ||
| https://sourceware.org/bugzilla/show_bug.cgi?id=18032 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=4a28f4d55a6cc33474c0792fe93b5942d81bf185 | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2015-8984 | ||
| https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html | mailing-listx_refsource_MLISTVendor Advisory |
Change history (0)
No recorded changes yet.