CVE-2019-13118

CVE-2019-13118 is a medium-severity vulnerability in Xmlsoft Libxslt with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

• Severity: Medium (CVSS 3.x base score 5.3)
• CVSS v2: 5.0
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-843
• Affected product: Xmlsoft Libxslt
• Published: 2019-07-01
• Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-13118?

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.

How severe is CVE-2019-13118?

CVE-2019-13118 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-13118 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13118?

CVE-2019-13118 primarily affects Xmlsoft Libxslt. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-13118?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-13118 published?

CVE-2019-13118 was published on 2019-07-01 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
• http://seclists.org/fulldisclosure/2019/Aug/11
• http://seclists.org/fulldisclosure/2019/Aug/13
• http://seclists.org/fulldisclosure/2019/Aug/14
• http://seclists.org/fulldisclosure/2019/Aug/15
• http://seclists.org/fulldisclosure/2019/Jul/22
• http://seclists.org/fulldisclosure/2019/Jul/23
• http://seclists.org/fulldisclosure/2019/Jul/24
• http://seclists.org/fulldisclosure/2019/Jul/26
• http://seclists.org/fulldisclosure/2019/Jul/31
• http://seclists.org/fulldisclosure/2019/Jul/37
• http://seclists.org/fulldisclosure/2019/Jul/38
• http://www.openwall.com/lists/oss-security/2019/11/17/2
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15069
• https://gitlab.gnome.org/GNOME/libxslt/commit/6ce8de69330783977dd14f6569419489875fb71b
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/
• https://oss-fuzz.com/testcase-detail/5197371471822848
• https://seclists.org/bugtraq/2019/Aug/21
• https://seclists.org/bugtraq/2019/Aug/22
• https://seclists.org/bugtraq/2019/Aug/23
• https://seclists.org/bugtraq/2019/Aug/25
• https://seclists.org/bugtraq/2019/Jul/35
• https://seclists.org/bugtraq/2019/Jul/36
• https://seclists.org/bugtraq/2019/Jul/37
• https://seclists.org/bugtraq/2019/Jul/40
• https://seclists.org/bugtraq/2019/Jul/41
• https://seclists.org/bugtraq/2019/Jul/42

Affected products (36)

• cpe:2.3:a:xmlsoft:libxslt:1.1.33:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
• cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
• cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:e-series_santricity_management_plug-ins:-:*:*:*:*:vmware_vcenter:*:*
• cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:e-series_santricity_storage_manager:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:e-series_santricity_web_services:-:*:*:*:*:web_services_proxy:*:*
• cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:plug-in_for_symantec_netbackup:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:santricity_unified_manager:-:*:*:*:*:*:*:*
• cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:jdk:1.8.0:update231:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
• cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
• cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-001:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-002:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-003:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*

More vulnerabilities in Xmlsoft Libxslt

• CVE-2019-11068 — Critical (CVSS 9.8): libxslt through 1.1.33 allows bypass of a protection mechanism because callers of xsltCheckRead and xsltCheckWrite…
• CVE-2016-4610 — Critical (CVSS 9.8): libxslt in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on…
• CVE-2016-4609 — Critical (CVSS 9.8): libxslt in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on…
• CVE-2016-4608 — Critical (CVSS 9.8): libxslt in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on…
• CVE-2016-4607 — Critical (CVSS 9.8): libxslt in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on…
• CVE-2021-30560 — High (CVSS 8.8): Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit…

All CVEs affecting Xmlsoft Libxslt →

Other CWE-843 vulnerabilities

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• CVE-2010-2299 — Critical (CVSS 10.0): The Clipboard::DispatchObject function in app/clipboard/clipboard.cc in Google Chrome before 5.0.375.70 does not…
• CVE-2023-22579 — Critical (CVSS 9.9): Due to improper parameter filtering in the sequalize js library, can a attacker peform injection.
• CVE-2026-13776 — Critical (CVSS 9.8): Type Confusion in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
• CVE-2026-43038 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in…
• CVE-2025-70023 — Critical (CVSS 9.8): An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.

Browse all CWE-843 vulnerabilities →