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CVE-2015-5277

19
FAUCET Score

CVE-2015-5277 describes a heap corruption vulnerability in the GNU C Library (glibc) Name Service Switch (NSS) component, specifically within the get_contents function. This flaw could allow a local attacker to cause a denial of service or potentially gain privileges by providing an excessively long line in the NSS files database. With a CVSS score of 7.2, this vulnerability is considered high severity due to its low attack complexity and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
<= 2.19CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 66th percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc-0:2.17-106.el7_2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.1 Extended Update SupportFixed in: glibc-0:2.17-79.ael7b_1
View patch

Vendor Advisories (1)

redhatCVE-2015-5277Important

glibc: data corruption while reading the NSS files database

Sep 14, 2015

References

packetstormsecurity.com / files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
rhn.redhat.com / errata/RHSA-2015-2172.html
bugzilla.redhat.com / show_bug.cgi
seclists.org / fulldisclosure/2019/Sep/7
seclists.org / bugtraq/2019/Sep/7
security.gentoo.org / glsa/201702-11
sourceware.org / bugzilla/show_bug.cgi
sourceware.org / ml/libc-alpha/2014-09/msg00088.html
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
securityfocus.com / bid/78092
securitytracker.com / id/1034196
ubuntu.com / usn/USN-2985-1
ubuntu.com / usn/USN-2985-2