Description
Buffer overflow in OpenSAML before 1.1.3 as used in Internet2 Shibboleth Service Provider software 1.3.x before 1.3.4, and XMLTooling before 1.2.2 as used in Internet2 Shibboleth Service Provider software 2.x before 2.2.1, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malformed encoded URL.
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 | opensaml | 3.0.0-2 | — |
| Debian 14 | shibboleth-sp | 3.0.2+dfsg1-2 | — |
| Debian 14 | xmltooling | 1.2.2-1 | — |
| Debian 13 | opensaml | 3.0.0-2 | — |
| Debian 13 | shibboleth-sp | 3.0.2+dfsg1-2 | — |
| Debian 13 | xmltooling | 1.2.2-1 | — |
| Debian 12 | opensaml | 3.0.0-2 | — |
| Debian 12 | shibboleth-sp | 3.0.2+dfsg1-2 | — |
| Debian 12 | xmltooling | 1.2.2-1 | — |
| Debian 5.0 | opensaml | 1.1.1-2+lenny1 | DSA-1896-1 |
| Debian 5.0 | opensaml2 | 2.0-2+lenny1 | DSA-1895-2 |
| Debian 5.0 | shibboleth-sp | 1.3.1.dfsg1-3+lenny1 | DSA-1896-1 |
| Debian 5.0 | shibboleth-sp2 | 2.0.dfsg1-4+lenny1 | DSA-1895-2 |
| Debian 5.0 | xmltooling | 1.0-2+lenny1 | DSA-1895-1 |
| Debian 4.0 | opensaml | 1.1a-2+etch1 | DSA-1896-1 |
| Debian 4.0 | shibboleth-sp | 1.3f.dfsg1-2+etch1 | DSA-1896-1 |
Advisories 3
- DSA-1895-1 xmltooling - potential code execution Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1896-1 opensaml shibboleth-sp - potential code execution Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1895-2 opensaml2, shibboleth-sp2 - interpretation conflict Debian Security (DSA / DLA) · Mar 9, 2026
References
- 36870 third-party-advisory
- 36514 vdb-entry
- 36869 third-party-advisory
- opensaml-xmltooling-url-bo(53471) vdb-entry
- http://shibboleth.internet2.edu/secadv/secadv_20090826.txt