CVE-2016-5419
curl and libcurl before 7.50.1 do not prevent TLS session resumption when the client certificate has changed, which allows remote attackers to bypass intended restrictions by resuming a session.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
curl and libcurl before 7.50.1 do not prevent TLS session resumption when the client certificate has changed, which allows remote attackers to bypass intended restrictions by resuming a session.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 15.06% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- haxx/libcurl · debian/debian linux · opensuse/leap
- Source
- secalert@redhat.com
EPSS 15.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2575.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.debian.org/security/2016/dsa-3638Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/92292
- http://www.securityfocus.com/bid/92319
- http://www.securitytracker.com/id/1036538
- http://www.securitytracker.com/id/1038341
- 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://access.redhat.com/errata/RHSA-2018:3558
- https://curl.haxx.se/docs/adv_20160803A.htmlMitigation, Patch, Vendor Advisory
- 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/
- 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
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2575.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.debian.org/security/2016/dsa-3638Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/92292
- http://www.securityfocus.com/bid/92319
- http://www.securitytracker.com/id/1036538
- http://www.securitytracker.com/id/1038341
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.