An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
https://www.cisa.gov/news-events/ics-advisories/icsa-25-259-02
https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-05
https://www.cisa.gov/news-events/ics-advisories/icsa-24-317-01
https://security.netapp.com/advisory/ntap-20241018-0004/
https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
https://github.com/libexpat/libexpat/pull/890
https://github.com/libexpat/libexpat/issues/887
http://seclists.org/fulldisclosure/2024/Dec/8
http://seclists.org/fulldisclosure/2024/Dec/7
http://seclists.org/fulldisclosure/2024/Dec/6