CVE-2015-3991

critical
Published 2017-09-07 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

strongSwan 5.2.2 and 5.3.0 allows remote attackers to cause a denial of service (daemon crash) or execute arbitrary code.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-3991

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed5.3.0-2
debian debianbullseyefixed5.3.0-2
debian debianforkyfixed5.3.0-2
debian debiansidfixed5.3.0-2
debian debiantrixiefixed5.3.0-2

Application impact

VendorProductVersionsFixed
strongswanstrongswan5.2.2
strongswanstrongswan5.3.0

References

CWEs

CWE-19

Verify integrity in audit chain (admin only). AS-IS.