CVE-2019-18197

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

4.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.5% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-10-18 20:07Z6 YR AGO

Last updated

2026-05-28 18:27Z3 MO AGO

Reserved

2019-10-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant
• CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

4933161dae7f03fc63b434f941a756368f83832545f89b757484729e402d5639

• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285x_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914x_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768x_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746x_refsource_MISC
• usn.ubuntu.comUSN-4164-1https://usn.ubuntu.com/4164-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20191027 [SECURITY] [DLA 1973-1] libxslt security updatehttps://lists.debian.org/debian-lts-announce/2019/10/msg00037.htmlmailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20191031-0004/x_refsource_CONFIRM
• www.openwall.com[oss-security] 20191117 Nokogiri security update v1.10.5http://www.openwall.com/lists/oss-security/2019/11/17/2mailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2020:0189http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:0210http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.htmlvendor-advisoryx_refsource_SUSE
• access.redhat.comRHSA-2020:0514https://access.redhat.com/errata/RHSA-2020:0514vendor-advisoryx_refsource_REDHAT
• lists.opensuse.orgopenSUSE-SU-2020:0233http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.htmlvendor-advisoryx_refsource_SUSE
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20200416-0004/x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2020:0731http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.htmlvendor-advisoryx_refsource_SUSE