Description
Shibboleth XMLTooling-C before 1.6.3, as used in Shibboleth Service Provider before 2.6.0 on Windows and other products, mishandles digital signatures of user attribute data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via a crafted DTD.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | XMLTooling-C before 1.6.3 | XMLTooling-C before 1.6.3 | — |
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 | xmltooling | 1.6.3-1 | — |
| Debian 13 | xmltooling | 1.6.3-1 | — |
| Debian 12 | xmltooling | 1.6.3-1 | — |
| Debian 8 | xmltooling | 1.5.3-2+deb8u2 | DSA-4085-1 |
| Debian 7 | xmltooling | 1.4.2-5+deb7u2 | DLA-1242-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | xmltooling | 1.5.6-2ubuntu0.1 | — |
| Ubuntu 14.04 LTS | xmltooling | 1.5.3-2+deb8u2build0.14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | xmltooling | 1.5.6-3.3.2 | SUSE-SU-2018:0720-1, SUSE-SU-2018:0140-1 |
| SLES 12 SP2 | xmltooling | 1.5.6-3.3.2 | SUSE-SU-2018:0720-1, SUSE-SU-2018:0140-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | xmltooling | 1.5.6-3.3.2 | SUSE-SU-2018:0720-1, SUSE-SU-2018:0140-1 |
| SLES for SAP 12 SP2 | xmltooling | 1.5.6-3.3.2 | SUSE-SU-2018:0720-1, SUSE-SU-2018:0140-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xmltooling | 3.2.0-1.2 | openSUSE-SU-2024:11523-1 |
Advisories 5
- DSA-4085-1 xmltooling - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1242-1 xmltooling - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:0140-1 Security update for xmltooling SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11523-1 libxmltooling-devel-3.2.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0720-1 Security update for xmltooling SUSE / openSUSE Security Updates · Feb 4, 2026