Description
In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data.
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 | 1.1.32-2.1 | — |
| Debian 13 | libxslt | 1.1.32-2.1 | — |
| Debian 12 | libxslt | 1.1.32-2.1 | — |
| Debian 8 | libxslt | 1.1.28-2+deb8u5 | DLA-1860-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libxslt | 1.1.29-5ubuntu0.2 | USN-4164-1 |
| Ubuntu 16.04 LTS | libxslt | 1.1.28-2.1ubuntu0.3 | USN-4164-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libxslt | 1.1.28-2ubuntu0.2+esm1 | USN-4164-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | libxslt | 1.1.32-3.8.24 | SUSE-SU-2020:1409-1 |
| SLES 12 SP4 | libxslt | 1.1.28-17.6.1 | SUSE-SU-2019:1867-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | libxslt | 1.1.28-17.6.1 | SUSE-SU-2019:1867-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libxslt | 1.1.34-3.2 | openSUSE-SU-2024:11017-1 |
| openSUSE Leap 15.1 | libxslt +1 | 1.1.32-lp151.3.6.1 | openSUSE-SU-2020:0731-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libxslt | 1.1.34-r0 | — |
| Alpine v3.23 | libxslt | 1.1.34-r0 | — |
| Alpine v3.22 | libxslt | 1.1.34-r0 | — |
| Alpine v3.21 | libxslt | 1.1.34-r0 | — |
| Alpine v3.20 | libxslt | 1.1.34-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libxslt | 1.1.34-r0 | — |
| Alpine v3.18 | libxslt | 1.1.34-r0 | — |
| Alpine v3.17 | libxslt | 1.1.34-r0 | — |
| Alpine v3.16 | libxslt | 1.1.34-r0 | — |
| Alpine v3.15 | libxslt | 1.1.34-r0 | — |
| Alpine v3.14 | libxslt | 1.1.34-r0 | — |
| Alpine v3.13 | libxslt | 1.1.34-r0 | — |
| Alpine v3.12 | libxslt | 1.1.34-r0 | — |
| Alpine v3.11 | libxslt | 1.1.34-r0 | — |
| Alpine v3.10 | libxslt | 1.1.33-r3 | — |
| Alpine v3.9 | libxslt | 1.1.33-r3 | — |
| Alpine v3.8 | libxslt | 1.1.33-r3 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | java-11-amazon-corretto +2 | 1:11.0.6+10-1.amzn2 | ALAS2-2020-1387 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | nokogiri | < 1.10.5 | 1.10.5 | GHSA-cf46-6xxh-pc75 |
Advisories 9
- USN-4164-1 libxslt vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-1860-1 libxslt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:0731-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1867-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1409-1 Security update for libxslt SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11017-1 libxslt-devel-1.1.34-3.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-0234 Oracle Java SE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 21, 2025
- WID-SEC-2023-1614 Tenable Security Nessus Network Monitor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2023
- ALAS2-2020-1387 Important: java-11-amazon-corretto security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 17, 2020
References
- https://gitlab.gnome.org/GNOME/libxslt/commit/6ce8de69330783977dd14f6569419489875fb71b
- https://oss-fuzz.com/testcase-detail/5197371471822848
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15069
- https://support.apple.com/kb/HT210348
- https://support.apple.com/kb/HT210353
- https://support.apple.com/kb/HT210351
- [debian-lts-announce] 20190722 [SECURITY] [DLA 1860-1] libxslt security update mailing-list
- https://support.apple.com/kb/HT210346
- 20190723 APPLE-SA-2019-7-22-1 iOS 12.4 mailing-list
- 20190723 APPLE-SA-2019-7-22-5 tvOS 12.4 mailing-list
- 20190723 APPLE-SA-2019-7-22-4 watchOS 5.3 mailing-list
- 20190723 APPLE-SA-2019-7-22-4 watchOS 5.3 mailing-list
- 20190723 APPLE-SA-2019-7-22-1 iOS 12.4 mailing-list
- 20190723 APPLE-SA-2019-7-22-2 macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra mailing-list
- 20190723 APPLE-SA-2019-7-22-5 tvOS 12.4 mailing-list
- https://support.apple.com/kb/HT210356
- https://support.apple.com/kb/HT210357
- https://support.apple.com/kb/HT210358
- 20190724 APPLE-SA-2019-7-23-2 iTunes for Windows 12.9.6 mailing-list
- 20190724 APPLE-SA-2019-7-23-3 iCloud for Windows 10.6 mailing-list
- 20190724 APPLE-SA-2019-7-23-1 iCloud for Windows 7.13 mailing-list
- 20190726 APPLE-SA-2019-7-23-3 iCloud for Windows 10.6 mailing-list
- 20190726 APPLE-SA-2019-7-23-1 iCloud for Windows 7.13 mailing-list
- 20190726 APPLE-SA-2019-7-23-2 iTunes for Windows 12.9.6 mailing-list
- https://security.netapp.com/advisory/ntap-20190806-0004/
- 20190814 APPLE-SA-2019-8-13-2 Additional information for APPLE-SA-2019-7-22-1 iOS 12.4 mailing-list
- 20190814 APPLE-SA-2019-8-13-3 Additional information for APPLE-SA-2019-7-22-4 watchOS 5.3 mailing-list
- 20190814 APPLE-SA-2019-8-13-4 Additional information for APPLE-SA-2019-7-22-5 tvOS 12.4 mailing-list
- 20190814 APPLE-SA-2019-8-13-1 Additional information for APPLE-SA-2019-7-22-2 macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra mailing-list
- 20190816 APPLE-SA-2019-8-13-3 Additional information for APPLE-SA-2019-7-22-4 watchOS 5.3 mailing-list
- 20190816 APPLE-SA-2019-8-13-1 Additional information for APPLE-SA-2019-7-22-2 macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra mailing-list
- 20190816 APPLE-SA-2019-8-13-2 Additional information for APPLE-SA-2019-7-22-1 iOS 12.4 mailing-list
- 20190816 APPLE-SA-2019-8-13-4 Additional information for APPLE-SA-2019-7-22-5 tvOS 12.4 mailing-list
- USN-4164-1 vendor-advisory
- FEDORA-2019-fdf6ec39b4 vendor-advisory
- [oss-security] 20191117 Nokogiri security update v1.10.5 mailing-list
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://security.netapp.com/advisory/ntap-20200122-0003/
- openSUSE-SU-2020:0731 vendor-advisory
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list