CRITICAL · 9.8

CVE-2015-8778

Integer overflow in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via the si...

Vulnerability Description

Integer overflow in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via the size argument to the __hcreate_r function, which triggers out-of-bounds heap-memory access.

CVSS Score

9.8

CRITICAL

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
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FedoraprojectFedora23
DebianDebian Linux8.0
CanonicalUbuntu Linux12.04
GnuGlibc<= 2.22
SuseLinux Enterprise Debuginfo11
OpensuseOpensuse13.2
SuseLinux Enterprise Desktop11
SuseLinux Enterprise Server11
SuseLinux Enterprise Software Development Kit11
SuseSuse Linux Enterprise Server12

Related Weaknesses (CWE)

References

FAQ

What is CVE-2015-8778?

CVE-2015-8778 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Integer overflow in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via the si...

How severe is CVE-2015-8778?

CVE-2015-8778 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2015-8778?

Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Debian Debian Linux, Canonical Ubuntu Linux, Gnu Glibc, Suse Linux Enterprise Debuginfo.