CVE-2016-3071 json
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
published 2016-04-18 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4142
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-3071 updated cvss 4.3
libreswan: DoS when receiving an IKE transforn containing AES_XCBC
-
Red Hat Enterprise Linux 7 libreswannot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
2.53% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
References
-
lists.fedoraproject.org
/pipermail/package-announce/2016-April/182130.html
vendor-advisory
-
lists.fedoraproject.org
/pipermail/package-announce/2016-April/182050.html
vendor-advisory
-
libreswan.org
/security/CVE-2016-3071/CVE-2016-3071.txt
vendor-advisory
-
securityfocus.com
/bid/87295
vdb-entry
- download.libreswan.org /CHANGES
Sources
- CVE List CVE-2016-3071
- NVD CVE-2016-3071
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.