CVE-2016-5391
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
libreswan before 3.18 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto daemon restart).
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
| fedora | 23 | affected | |
| fedora | 24 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libreswan | libreswan | {"endIncluding":"3.17"} | |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1356183
- https://libreswan.org/security/CVE-2016-5391/CVE-2016-5391.txt
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65R6OA5AY7K2UBQUDOLOS5Y3SCULQI6I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UKMS7R4TG6LTAGEBOWVUXF6LAWQXLNXV/
- https://security-tracker.debian.org/tracker/CVE-2016-5391
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.