HIGH · 8.1

CVE-2016-5421

Use-after-free vulnerability in libcurl before 7.50.1 allows attackers to control which connection is used or possibly have unspecified other impact via unknown vectors.

Vulnerability Description

Use-after-free vulnerability in libcurl before 7.50.1 allows attackers to control which connection is used or possibly have unspecified other impact via unknown vectors.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
OpensuseLeap42.1
HaxxLibcurl<= 7.50.0
CanonicalUbuntu Linux12.04
DebianDebian Linux8.0
FedoraprojectFedora23
OpensuseOpensuse13.2

Related Weaknesses (CWE)

References

FAQ

What is CVE-2016-5421?

CVE-2016-5421 is a vulnerability with a CVSS score of 8.1 (HIGH). Use-after-free vulnerability in libcurl before 7.50.1 allows attackers to control which connection is used or possibly have unspecified other impact via unknown vectors.

How severe is CVE-2016-5421?

CVE-2016-5421 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-5421?

Check the references section above for vendor advisories and patch information. Affected products include: Opensuse Leap, Haxx Libcurl, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora.