CVE-2019-18197
libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2019
Updated · June 28, 2026
Description
In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.
Statement
Red Hat OpenStack consumes fixes from the base Red Hat Enterprise Linux Operating System. Therefore the libxslt package provided by Red Hat OpenStack has been marked as 'will not fix'.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-416 · Use After Free