CVE-2021-3537: NULL Pointer Dereference

May 14, 2021 (updated November 7, 2023)

A vulnerability found in libxml2 shows that it does not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

References

bugzilla.redhat.com/show_bug.cgi?id=1956522
nvd.nist.gov/vuln/detail/CVE-2021-3537

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