Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. Processing web content may disclose sensitive information.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS and iPadOS | unspecified – < 17, unspecified – < 16.7 | 17 |
| Apple | macOS | unspecified – < 12.7, unspecified – < 13.6, unspecified – < 14 | 12.7 |
| Apple | tvOS | unspecified – < 17 | 17 |
| Apple | watchOS | unspecified – < 10 | 10 |
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 | 1.1.35-2 | — |
| Debian 13 | libxslt | 1.1.35-1.2+deb13u1 | DSA-5979-1 |
| Debian 12 | libxslt | 1.1.35-1+deb12u2 | DSA-5979-1 |
| Debian 11 | libxslt | 1.1.34-4+deb11u3 | DLA-4309-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libxslt | 1.1.34-4ubuntu0.22.04.4 | USN-7600-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | libxslt | 1.1.34-4ubuntu0.20.04.3+esm1 | USN-7600-1 |
| Ubuntu Pro 18.04 LTS | libxslt | 1.1.29-5ubuntu0.3+esm1 | USN-7600-1 |
| Ubuntu Pro 16.04 LTS | libxslt | 1.1.28-2.1ubuntu0.3+esm2 | USN-7600-1 |
| Ubuntu Pro 14.04 LTS | libxslt | 1.1.28-2ubuntu0.2+esm3 | USN-7600-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | libxslt +1 | 1.1.34-14.el9_7.1 | RHSA-2026:6266 |
| RHEL 8 | libxslt +1 | 1.1.32-6.2.el8_10 | RHSA-2025:8676 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.6 EUS | libxslt +1 | 1.1.34-13.el9_6.1 | RHSA-2026:6499 |
| RHEL 9.4 EUS | libxslt +1 | 1.1.34-14.el9_4 | RHSA-2025:9016 |
| RHEL 9.2 E4S | libxslt +1 | 1.1.34-12.el9_2 | RHSA-2026:29811 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libxslt +1 | 1.1.34-14.el9_7.1 | ALSA-2026:6266 |
| AlmaLinux 8 | libxslt +1 | 1.1.32-6.2.el8_10 | ALSA-2025:8676 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | libxslt | 1.1.34-14.el9_7.1 | RLSA-2026:6266 |
| Rocky Linux 8 | libxslt | 1.1.32-6.2.el8_10 | RLSA-2025:8676 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLES 15 SP5 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLES 15 SP4 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLES 15 SP3 | libxslt | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
| SLES 12 SP5 | libxslt | 1.1.28-17.24.1 | SUSE-SU-2026:2585-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLES for SAP 15 SP4 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLES for SAP 15 SP3 | libxslt | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
| SLE Micro 6.1 | libxslt | 1.1.38-slfo.1.1_2.1 | SUSE-SU-2025:20277-1 |
| SLE Micro 6.0 | libxslt | 1.1.38-4.1 | SUSE-SU-2025:20201-1 |
| SLE Micro 5.5 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLE Micro 5.4 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLE Micro 5.3 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLE Micro 5.2 | libxslt | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
| SLE Micro 5.1 | libxslt | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
| SLE HPC 15 SP5 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLE HPC 15 SP4 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SLE HPC 15 SP3 | libxslt | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
| SUSE Manager Server 4.3 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SUSE Manager Proxy 4.3 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| SUSE Enterprise Storage 7.1 | libxslt | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | libxslt | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 |
| openSUSE Leap 15.6 | libxslt-python | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libxslt +2 | 1.1.42-3.amzn2023 | ALAS2023-2025-905 |
| Amazon Linux 2 | libxslt +2 | 1.1.28-6.amzn2.0.4 | ALAS2-2025-2831 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libxslt +1 | 1.1.34-14.0.1.el9_7.1 | ELSA-2026-6266 |
| Oracle Linux 8 | libxslt +1 | 1.1.32-6.2.0.1.el8_10 | ELSA-2025-8676 |
Advisories 26
- ALSA-2026:6266 Moderate: libxslt security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:8676 Moderate: libxslt security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:6499 Red Hat Security Advisory: libxslt security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:6266 Red Hat Security Advisory: libxslt security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:29811 Red Hat Security Advisory: libxslt security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:9016 Red Hat Security Advisory: libxslt security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:8676 Red Hat Security Advisory: libxslt security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- WID-SEC-2025-1439 Dell Secure Connect Gateway: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 11, 2026
- WID-SEC-2026-2253 IBM Security Verify Access: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
- WID-SEC-2025-1265 Red Hat Enterprise Linux (libxslt): Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Jun 25, 2026
- USN-7600-1 libxslt vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2026:2585-1 Security update for libxslt SUSE / openSUSE Security Updates · Jun 24, 2026
- RLSA-2026:6266 Moderate: libxslt security update Rocky Linux Security Advisories · Apr 7, 2026
- ELSA-2026-6266 Moderate: libxslt security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Mar 31, 2026
- SUSE-SU-2025:20277-1 Security update for libxslt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20201-1 Security update for libxslt SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5979-1 libxslt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2023-2454 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 5, 2026
- SUSE-SU-2025:1125-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:1003-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- DLA-4309-1 libxslt - security update Debian Security (DSA / DLA) · Sep 25, 2025
- RLSA-2025:8676 Moderate: libxslt security update Rocky Linux Security Advisories · Jul 29, 2025
- ELSA-2025-8676 Moderate: libxslt security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 9, 2025
- ALAS2-2025-2831 Moderate: libxslt security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 16, 2025
- WID-SEC-2023-2453 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 13, 2025
- ALAS2023-2025-905 Moderate: libxslt security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Mar 26, 2025
References
- https://support.apple.com/en-us/HT213938
- https://support.apple.com/en-us/HT213932
- https://support.apple.com/en-us/HT213927
- https://support.apple.com/en-us/HT213931
- https://support.apple.com/en-us/HT213936
- https://support.apple.com/en-us/HT213940
- https://support.apple.com/en-us/HT213937
- http://seclists.org/fulldisclosure/2023/Oct/5
- http://seclists.org/fulldisclosure/2023/Oct/10
- http://seclists.org/fulldisclosure/2023/Oct/6
- http://seclists.org/fulldisclosure/2023/Oct/8
- http://seclists.org/fulldisclosure/2023/Oct/9
- http://seclists.org/fulldisclosure/2023/Oct/3
- http://seclists.org/fulldisclosure/2023/Oct/4