CVE catalog
CVE-2011-4073
openswan - implementation error
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.09% · Oct 27, 2026
Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions. openswan: use-after-free vulnerability leads to DoS The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | openswan | 6.0 | 1:2.6.28+dfsg-5 | vulnerable |
| Debian | openswan | 6.0 | 1:2.6.28+dfsg-5+squeeze1~bpo50+1 | vulnerable |
| Debian | openswan | 6.0 | 1:2.6.28+dfsg-5+squeeze1 | fixed |
| Debian | openswan | 5.0 | 1:2.4.12+dfsg-1.3 | vulnerable |
| Debian | openswan | 5.0 | 1:2.4.12+dfsg-1.3+lenny1 | vulnerable |
| Debian | openswan | 5.0 | 1:2.4.12+dfsg-1.3+lenny2 | vulnerable |
| Debian | openswan | 5.0 | 1:2.4.12+dfsg-1.3+lenny3 | vulnerable |
| Debian | openswan | 5.0 | 1:2.4.12+dfsg-1.3+lenny4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | openswan | deb | 6.0 | 1:2.6.28+dfsg-5+squeeze1 | Not reported | DSA-2374-1 | Not reported |
| Debian | openswan | deb | 5.0 | 1:2.4.12+dfsg-1.3+lenny4 | Not reported | DSA-2374-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: