CVE-2019-18197

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html

http://www.openwall.com/lists/oss-security/2019/11/17/2

https://access.redhat.com/errata/RHSA-2020:0514

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914

https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285

https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html

https://security.netapp.com/advisory/ntap-20191031-0004/

https://security.netapp.com/advisory/ntap-20200416-0004/

https://usn.ubuntu.com/4164-1/

https://www.oracle.com/security-alerts/cpuapr2020.html

Details

Risk Information

CVSS v2

CVSS v3