An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
References
- http://seclists.org/fulldisclosure/2024/Dec/10
- http://seclists.org/fulldisclosure/2024/Dec/12
- http://seclists.org/fulldisclosure/2024/Dec/6
- http://seclists.org/fulldisclosure/2024/Dec/7
- http://seclists.org/fulldisclosure/2024/Dec/8
- https://github.com/libexpat/libexpat/issues/887
- https://github.com/libexpat/libexpat/pull/890
- https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
- https://security.netapp.com/advisory/ntap-20241018-0004/