Use After Free The advisory has been revoked - it doesn't affect any version of package libxslt (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1204-LIBXSLT-473999
- published19 Oct 2019
- disclosed18 Oct 2019
Introduced: 18 Oct 2019
CVE-2019-18197 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxslt package and not the libxslt package as distributed by Ubuntu.
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://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-18197
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18197
- https://security.netapp.com/advisory/ntap-20200416-0004/
- https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html
- https://security-tracker.debian.org/tracker/CVE-2019-18197
- 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://www.oracle.com/security-alerts/cpuapr2020.html
- https://security.netapp.com/advisory/ntap-20191031-0004/
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html
- http://www.openwall.com/lists/oss-security/2019/11/17/2
- https://access.redhat.com/errata/RHSA-2020:0514
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
- https://usn.ubuntu.com/4164-1/