CVE-2016-5421: Use After Free
First published: Mon Aug 01 2016(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/curl | <7.50.1 | 7.50.1 |
| Android | ||
| SUSE Linux | =42.1 | |
| libcurl | <=7.50.0 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Debian | =8.0 | |
| Fedora | =23 | |
| Fedora | =24 | |
| SUSE Linux | =13.2 |
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Reference Links
- https://curl.haxx.se/docs/adv_20160803C.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1363642
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1363643
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1363644
- https://access.redhat.com/errata/RHSA-2018:3558
- https://github.com/curl/curl/commit/75dc096e01ef1e21b6c57690d99371dedb2c0b80
- https://github.com/curl/curl/commit/09b9fc9009bfe6b7b6fd5ba82e81b4ca76539d8d
- https://bugzilla.redhat.com/show_bug.cgi?id=1362199
- https://source.android.com/docs/security/bulletin/2016-12-01 (Advisory)
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html
- http://www.debian.org/security/2016/dsa-3638
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/92306
- http://www.securitytracker.com/id/1036536
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059
- http://www.ubuntu.com/usn/USN-3048-1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
- https://security.gentoo.org/glsa/201701-47
- https://source.android.com/security/bulletin/2016-12-01.html
- https://www.tenable.com/security/tns-2016-18
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
Frequently Asked Questions
What is the severity of CVE-2016-5421?
CVE-2016-5421 has a high severity rating due to its potential for attackers to manipulate connections and cause unspecified impacts.
How do I fix CVE-2016-5421?
To fix CVE-2016-5421, update libcurl to version 7.50.1 or later.
Which versions are affected by CVE-2016-5421?
CVE-2016-5421 affects libcurl versions prior to 7.50.1, along with various Linux distributions using older versions.
Can CVE-2016-5421 be exploited remotely?
Yes, CVE-2016-5421 can be exploited remotely through crafted requests that leverage the vulnerability.
What software is impacted by CVE-2016-5421?
CVE-2016-5421 impacts software using affected versions of libcurl, including certain distributions like Ubuntu, Debian, Fedora, and openSUSE.
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