CVE-2019-13117

Name: CVE-2019-13117
Creator: NVD / NIST
Published: 2019-07-01T02:15:09.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 6.46%

Last modified Jun 17, 2026

CVE-2019-13117 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.. EPSS estimates a 6.46% chance of exploitation in the next 30 days.

Description

In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

6.46%

92.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Xmlsoft	Libxslt	1.1.33	—
Debian	Debian Linux	8.0	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	18.04	—
Canonical	Ubuntu Linux	19.04	—
Canonical	Ubuntu Linux	19.10	—
Fedoraproject	Fedora	31	—
Opensuse	Leap	15.1	—
Oracle	Openjdk	8	Update231

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/11/17/2Mailing List, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471Issue Tracking, Mailing List, Third Party Advisory
https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1Patch, Third Party Advisory
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.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/
https://oss-fuzz.com/testcase-detail/5631739747106816Permissions Required
https://security.netapp.com/advisory/ntap-20190806-0004/Third Party Advisory
https://security.netapp.com/advisory/ntap-20200122-0003/Third Party Advisory
https://usn.ubuntu.com/4164-1/Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/11/17/2Mailing List, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471Issue Tracking, Mailing List, Third Party Advisory
https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1Patch, Third Party Advisory
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.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/
https://oss-fuzz.com/testcase-detail/5631739747106816Permissions Required
https://security.netapp.com/advisory/ntap-20190806-0004/Third Party Advisory
https://security.netapp.com/advisory/ntap-20200122-0003/Third Party Advisory
https://usn.ubuntu.com/4164-1/Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory

Timeline

Published: Jul 1, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13117?

How severe is CVE-2019-13117?

CVE-2019-13117 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 6.46% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13117?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13117?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST