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CVE-2015-5180

27
FAUCET Score

CVE-2015-5180 describes a NULL pointer dereference vulnerability in the res_query function of libresolv within glibc versions prior to 2.25, affecting Canonical and GNU glibc and Ubuntu Linux distributions. This flaw carries a CVSSv3 score of 7.5 (High), indicating it can be exploited remotely with low attack complexity, leading to a denial of service through a process crash. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
<= 2.24CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.22%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0622 is in the 88th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc-0:2.17-222.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc

Vendor Advisories (1)

redhatCVE-2015-5180Low

glibc: DNS resolver NULL pointer dereference with crafted record type

Aug 7, 2015

References

access.redhat.com / errata/RHSA-2018:0805
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party AdvisoryVDB Entry
security.gentoo.org / glsa/201706-19
Third Party Advisory
sourceware.org / bugzilla/attachment.cgi
Patch
sourceware.org / bugzilla/show_bug.cgi
Issue TrackingThird Party Advisory
sourceware.org / git/gitweb.cgi
sourceware.org / ml/libc-alpha/2017-02/msg00079.html
Release NotesThird Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2019-5072832.html
securityfocus.com / bid/99324
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-3239-1
Third Party Advisory
ubuntu.com / usn/USN-3239-2
Third Party Advisory