Description
The OpenSAML C++ library before 3.3.1 allows forging of signed SAML messages via parameter manipulation (when using SAML bindings that rely on non-XML signatures).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Shibboleth | OpenSAML C++ library | < 3.3.1 | 3.3.1 |
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 | 3.3.1-1 | — |
| Debian 13 | opensaml | 3.3.1-1 | — |
| Debian 12 | opensaml | 3.2.1-3+deb12u1 | DSA-5879-1 |
| Debian 11 | opensaml | 3.2.0-2+deb11u1 | DLA-4093-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | opensaml | 3.2.1-4.1ubuntu0.24.04.1 | — |
| Ubuntu 22.04 LTS | opensaml | 3.2.1-1ubuntu0.1 | — |
| Ubuntu 20.04 LTS | opensaml | 3.0.1-1ubuntu0.1 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | opensaml2 | 2.6.1-1ubuntu0.1~esm1 | — |
| Ubuntu Pro 16.04 LTS | opensaml2 | 2.5.5-1ubuntu0.1+esm1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | opensaml | 3.1.0-150300.3.3.1 | SUSE-SU-2025:01500-1 |
| SLES 15 SP6 | opensaml | 3.1.0-150300.3.3.1 | SUSE-SU-2025:1500-1 |
| SLES 12 SP5 | opensaml | 2.5.5-3.6.1 | SUSE-SU-2025:1501-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | opensaml | 3.3.1-2.1 | openSUSE-SU-2025:14959-1 |
| openSUSE Leap 15.6 | opensaml | 3.1.0-150300.3.3.1 | SUSE-SU-2025:1500-1 |
Advisories 7
- WID-SEC-2025-1439 Dell Secure Connect Gateway: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 11, 2026
- SUSE-SU-2025:1500-1 Security update for opensaml SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:1501-1 Security update for opensaml SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5879-1 opensaml - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4093-1 opensaml - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2025:01500-1 Security update for opensaml SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:14959-1 libsaml-devel-3.3.1-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026