glibc: DNS resolver NULL pointer dereference with crafted record type
Published Jun 27, 2017
7.5
HIGHCVSS 3.0
EPSS 6.22%
Description
res_query in libresolv in glibc before 2.25 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash).
Affected products
No data.
Configuration 1
- 12.04
- 14.04
- 16.04
No data.
Red Hat Enterprise Linux 7
glibc-0:2.17-222.el7
Fixed · RHSA-2018:0805
Red Hat Enterprise Linux 4
glibc
Not affected
Red Hat Enterprise Linux 5
glibc
Not affected
Red Hat Enterprise Linux 6
glibc
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | glibc-0:2.17-222.el7 | Fixed | RHSA-2018:0805 |
| Red Hat Enterprise Linux 4 | glibc | Not affected | n/a |
| Red Hat Enterprise Linux 5 | glibc | Not affected | n/a |
| Red Hat Enterprise Linux 6 | glibc | 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/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 2, 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 2, 2026 | 6.22% (0.06219) | 93.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.27% (0.06270) | 92.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00409) | 59.14th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.91% (0.03908) | 91.87th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.27% (0.02271) | 90.01th | v3 (v2023.03.01) |
| Jul 9, 2024 | 2.01% (0.02013) | 88.98th | v3 (v2023.03.01) |
| Apr 17, 2024 | 1.72% (0.01717) | 87.66th | v3 (v2023.03.01) |
| Oct 1, 2023 | 1.54% (0.01536) | 85.58th | v3 (v2023.03.01) |
| May 8, 2023 | 2.16% (0.02163) | 87.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.62% (0.01621) | 85.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.17% (0.02172) | 80.28th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.54% (0.01537) | 73.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (14)
- http://www.securityfocus.com/bid/99324 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3239-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3239-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0805 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2015-5180 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1249603 x_refsource_CONFIRMIssue TrackingPatchThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2015-5180
- https://security.gentoo.org/glsa/201706-19 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://sourceware.org/bugzilla/attachment.cgi?id=8492 x_refsource_CONFIRMPatch
- https://sourceware.org/bugzilla/show_bug.cgi?id=18784 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=fc82b0a2dfe7dbd35671c10510a8da1043d746a5 x_refsource_CONFIRM
- https://sourceware.org/ml/libc-alpha/2017-02/msg00079.html mailing-listx_refsource_MLISTRelease NotesThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2015-5180
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html x_refsource_MISC
Change history (0)
No recorded changes yet.