In numbers.c in libxslt 1.1.33, a type holding grouping characters...

Vulnerability Description

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.

References

• https://gitlab.gnome.org/GNOME/libxslt/commit/6ce8de69330783977dd14f6569419489875fb71b
• https://oss-fuzz.com/testcase-detail/5197371471822848
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15069
• https://support.apple.com/kb/HT210348
• https://support.apple.com/kb/HT210353
• https://support.apple.com/kb/HT210351
• https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html
• https://support.apple.com/kb/HT210346
• https://seclists.org/bugtraq/2019/Jul/35
• https://seclists.org/bugtraq/2019/Jul/37
• https://seclists.org/bugtraq/2019/Jul/36
• http://seclists.org/fulldisclosure/2019/Jul/24
• http://seclists.org/fulldisclosure/2019/Jul/23
• http://seclists.org/fulldisclosure/2019/Jul/22
• http://seclists.org/fulldisclosure/2019/Jul/26
• https://support.apple.com/kb/HT210356
• https://support.apple.com/kb/HT210357
• https://support.apple.com/kb/HT210358
• https://seclists.org/bugtraq/2019/Jul/42
• https://seclists.org/bugtraq/2019/Jul/40
• https://seclists.org/bugtraq/2019/Jul/41
• http://seclists.org/fulldisclosure/2019/Jul/31
• http://seclists.org/fulldisclosure/2019/Jul/37
• http://seclists.org/fulldisclosure/2019/Jul/38
• https://security.netapp.com/advisory/ntap-20190806-0004/
• https://seclists.org/bugtraq/2019/Aug/25
• https://seclists.org/bugtraq/2019/Aug/22
• https://seclists.org/bugtraq/2019/Aug/23
• https://seclists.org/bugtraq/2019/Aug/21
• http://seclists.org/fulldisclosure/2019/Aug/14
• http://seclists.org/fulldisclosure/2019/Aug/11
• http://seclists.org/fulldisclosure/2019/Aug/13
• http://seclists.org/fulldisclosure/2019/Aug/15
• https://usn.ubuntu.com/4164-1/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/
• http://www.openwall.com/lists/oss-security/2019/11/17/2
• https://www.oracle.com/security-alerts/cpujan2020.html
• https://security.netapp.com/advisory/ntap-20200122-0003/
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E