CVE-2016-5421
HIGHCVSS 8.1/10EPSS 8.04%
Last modified
CVE-2016-5421 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 8.04% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opensuse | Leap | 42.1 |
| Haxx | Libcurl | <= 7.50.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 23 |
| Fedoraproject | Fedora | 24 |
| Opensuse | Opensuse | 13.2 |
References
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3638Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch, Third Party Advisory
- http://www.securityfocus.com/bid/92306Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036536Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3048-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3558Third Party Advisory
- https://curl.haxx.se/docs/adv_20160803C.htmlMitigation, Vendor Advisory
- https://security.gentoo.org/glsa/201701-47Third Party Advisory
- https://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
- https://www.tenable.com/security/tns-2016-18Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3638Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch, Third Party Advisory
- http://www.securityfocus.com/bid/92306Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036536Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3048-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3558Third Party Advisory
- https://curl.haxx.se/docs/adv_20160803C.htmlMitigation, Vendor Advisory
- https://security.gentoo.org/glsa/201701-47Third Party Advisory
- https://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
- https://www.tenable.com/security/tns-2016-18Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2016-5421?
CVE-2016-5421 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 8.04% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5421?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-5421?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST