Description
strongSwan before 5.1.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a crafted ID_DER_ASN1_DN ID payload.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | strongswan | 5.1.2-1 | — |
| Debian 13 | strongswan | 5.1.2-1 | — |
| Debian 12 | strongswan | 5.1.2-1 | — |
| Debian 7 | strongswan | 4.5.2-1.5+deb7u4 | DSA-2922-1 |
| Debian 6.0 | strongswan | 4.4.1-5.6 | DSA-2922-1 |
Advisories 1
- DSA-2922-1 strongswan - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 59864 third-party-advisory
- DSA-2922 vendor-advisory
- 67212 vdb-entry
- openSUSE-SU-2014:0697 vendor-advisory
- openSUSE-SU-2014:0700 vendor-advisory
- http://www.strongswan.org/blog/2014/05/05/strongswan-denial-of-service-vulnerability-%28cve-2014-2891%29.html