[xml/sgml-pkgs] Bug#931320: libxslt: CVE-2019-13118

[Salvatore Bonaccorso]

Source: libxslt
Version: 1.1.32-2
Severity: important
Tags: security upstream

Hi,

The following vulnerability was published for libxslt.

CVE-2019-13118[0]:
| In numbers.c in libxslt 1.1.33, a type holding grouping characters of
| an xsl:number instruction was too narrow and an invalid
| character/length combination could be passed to
| xsltNumberFormatDecimal, leading to a read of uninitialized stack
| data.

The oss-fuzz report and testcases are not public at this moment, but
still filling the bug according to source code view and patch to be
applied. I have no futher details unfortunately.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-13118
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13118
[1] https://gitlab.gnome.org/GNOME/libxslt/commit/6ce8de69330783977dd14f6569419489875fb71b

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore