Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-8779

26
FAUCET Score

CVE-2015-8779 is a critical stack-based buffer overflow vulnerability in the GNU C Library (glibc) affecting various Linux distributions including Debian, Fedora, openSUSE, and SUSE. This flaw, residing in the catopen function, allows unauthenticated attackers to trigger a denial of service or potentially execute arbitrary code by supplying a long catalog name. Despite its CVSS v3 score of 9.8, indicating high impact on confidentiality, integrity, and availability with low attack complexity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
11CPE matchmatch criteria
cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp2:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp3:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.97%
Probability of exploitation in next 30 days
EPSS Percentile
92.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0597 is in the 87th percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.209.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc-0:2.17-196.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: compat-glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: compat-glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-glibc

Vendor Advisories (1)

redhatCVE-2015-8779Moderate

glibc: Unbounded stack allocation in catopen function

Jan 29, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2016-May/184626.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00036.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00037.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00038.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00039.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00042.html
packetstormsecurity.com / files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
rhn.redhat.com / errata/RHSA-2017-0680.html
access.redhat.com / errata/RHSA-2017:1916
seclists.org / fulldisclosure/2019/Sep/7
seclists.org / bugtraq/2019/Sep/7
security.gentoo.org / glsa/201602-02
security.gentoo.org / glsa/201702-11
sourceware.org / bugzilla/show_bug.cgi
sourceware.org / ml/libc-alpha/2016-02/msg00502.html
Vendor Advisory
debian.org / security/2016/dsa-3480
debian.org / security/2016/dsa-3481
openwall.com / lists/oss-security/2016/01/19/11
openwall.com / lists/oss-security/2016/01/20/1
securityfocus.com / bid/82244
ubuntu.com / usn/USN-2985-1
ubuntu.com / usn/USN-2985-2