| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1973-1, ELA-185-1 |
| Debian Bugs | 942646 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxslt (PTS) | jessie, jessie (lts) | 1.1.28-2+deb8u7 | fixed |
| stretch (lts), stretch | 1.1.29-2.1+deb9u3 | fixed | |
| buster | 1.1.32-2.2~deb10u1 | fixed | |
| buster (security) | 1.1.32-2.2~deb10u2 | fixed | |
| bullseye (security), bullseye | 1.1.34-4+deb11u1 | fixed | |
| sid, trixie, bookworm | 1.1.35-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxslt | source | wheezy | 1.1.26-14.1+deb7u7 | ELA-185-1 | ||
| libxslt | source | jessie | 1.1.28-2+deb8u6 | DLA-1973-1 | ||
| libxslt | source | stretch | 1.1.29-2.1+deb9u2 | |||
| libxslt | source | buster | 1.1.32-2.2~deb10u1 | |||
| libxslt | source | (unstable) | 1.1.32-2.2 | 942646 |
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