Description
The xsltStylePreCompute function in preproc.c in libxslt 1.1.28 does not check if the parent node is an element, which allows attackers to cause a denial of service via a crafted XML file, related to a "type confusion" issue.
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 | libxslt | 1.1.28-2.1 | — |
| Debian 13 | libxslt | 1.1.28-2.1 | — |
| Debian 12 | libxslt | 1.1.28-2.1 | — |
| Debian 8 | libxslt | 1.1.28-2+deb8u1 | DSA-3605-1 |
| Debian 7 | libxslt | 1.1.26-14.1+deb7u1 | DLA-514-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libxslt | 1.1.28-2.1ubuntu0.1 | USN-3271-1 |
| Ubuntu 14.04 LTS | libxslt | 1.1.28-2ubuntu0.1 | USN-3271-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | libxslt | 1.1.28-16.1 | SUSE-SU-2017:1313-1 |
| SLES 12 SP1 | libxslt | 1.1.28-16.1 | SUSE-SU-2017:1313-1 |
| SLES 11 SP4 | libxslt | 1.1.24-19.33.1 | SUSE-SU-2017:1282-1 |
| SLES 11 SP4 | libxslt-python | 1.1.24-19.33.3 | SUSE-SU-2017:1282-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | libxslt | 1.1.28-16.1 | SUSE-SU-2017:1313-1 |
| SLES for SAP 12 SP1 | libxslt | 1.1.28-16.1 | SUSE-SU-2017:1313-1 |
| SLES for SAP 11 SP4 | libxslt | 1.1.24-19.33.1 | SUSE-SU-2017:1282-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libxslt | 1.1.29-1.3 | openSUSE-SU-2024:10185-1 |
| openSUSE Tumbleweed | ruby3.2-rubygem-nokogiri | 1.13.9-1.7 | openSUSE-SU-2024:13165-1 |
| openSUSE Tumbleweed | rubygem-nokogiri | 1.6.8.1-1.3 | openSUSE-SU-2026:10356-1, openSUSE-SU-2025:14697-1, openSUSE-SU-2024:14174-1 |
Advisories 13
- USN-3271-1 libxslt vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2026:10356-1 ruby4.0-rubygem-nokogiri-1.18.9-1.4 on GA media SUSE / openSUSE Security Updates · Mar 14, 2026
- DLA-514-1 libxslt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3605-1 libxslt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1282-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:14697-1 ruby3.4-rubygem-nokogiri-1.18.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10549-1 ruby2.2-rubygem-nokogiri-1.6.8.1-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13165-1 ruby3.2-rubygem-nokogiri-1.13.9-1.7 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1313-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14174-1 ruby3.3-rubygem-nokogiri-1.15.5-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11912-1 ruby3.1-rubygem-nokogiri-1.13.3-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10185-1 libxslt-devel-1.1.29-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1614 Tenable Security Nessus Network Monitor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2023
References
- DSA-3605 vendor-advisory
- https://support.apple.com/HT206168
- https://support.apple.com/HT205731
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
- https://support.apple.com/HT205729
- [oss-security] 20151027 CVE request: libxslt xsltStylePreCompute() type confusion DoS mailing-list
- [oss-security] 20151028 Re: CVE request: libxslt xsltStylePreCompute() type confusion DoS mailing-list
- APPLE-SA-2016-01-25-1 vendor-advisory
- 1034736 vdb-entry
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
- APPLE-SA-2016-01-19-2 vendor-advisory
- APPLE-SA-2016-03-21-2 vendor-advisory
- https://puppet.com/security/cve/cve-2015-7995
- APPLE-SA-2016-01-19-1 vendor-advisory
- https://git.gnome.org/browse/libxslt/commit/?id=7ca19df892ca22d9314e95d59ce2abdeff46b617
- 77325 vdb-entry
- openSUSE-SU-2016:1439 vendor-advisory
- SSA:2016-148-02 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- https://support.apple.com/HT205732
- https://bugzilla.redhat.com/show_bug.cgi?id=1257962
- 1038623 vdb-entry