Description
Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.
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 | shibboleth-sp | 3.2.2+dfsg1-1 | — |
| Debian 13 | shibboleth-sp | 3.2.2+dfsg1-1 | — |
| Debian 12 | shibboleth-sp | 3.2.2+dfsg1-1 | — |
| Debian 10 | shibboleth-sp | 3.0.4+dfsg1-1+deb10u2 | DSA-4905-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | shibboleth-sp | 3.0.4+dfsg1-1ubuntu0.2 | — |
Advisories 1
- DSA-4905-1 shibboleth-sp - security update Debian Security (DSA / DLA) · Mar 9, 2026