
CVE catalog
CVE-2013-2053
openswan - security update
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.45% · Oct 25, 2026
Buffer overflow in the atodn function in Openswan before 2.6.39, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2052 and CVE-2013-2054. Openswan: remote buffer overflow in atodn() 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 | 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+squeeze2 | fixed |
| Debian | openswan | 7 | 1:2.6.37-3 | vulnerable |
| Debian | openswan | 7 | 1:2.6.37-3+deb7u1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | openswan | deb | 6.0 | 1:2.6.28+dfsg-5+squeeze2 | Not reported | DSA-2893-1 | Not reported |
| Debian | openswan | deb | 7 | 1:2.6.37-3+deb7u1 | Not reported | DSA-2893-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: