CVE-2022-23308

CVE-2022-23308 affects libxml2 before 2.9.13, caused by a use-after-free in ID/IDREF attributes in valid.c. The NVD data shows a CVSS 3.1 base score of 7.5 (NETWORK, PR:N, UI:N, S:U, C:N/I:N/A:H) and CVSS 2.0 base score of 4.3 (NETWORK, A:P). Connected advisories confirm the same flaw and referen...

CVE-2022-40303

CVE-2022-40303 affects libxml2 prior to 2.10.3. When parsing multi‑gigabyte XML with XML_PARSE_HUGE enabled, integer counters can overflow and cause an access at a negative 2GB offset, typically leading to a segmentation fault. Public sources (including libxml2‑focused advisories and AWS ALAS/BSN...

CVE-2022-29824

Summary: CVE-2022-29824 affects libxml2 up to version 2.9.14. Several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) fail to check integer overflows, causing out-of-bounds memory writes when processing crafted XML files. This vulnerability also affects software that uses lib...

CVE-2022-40304

CVE-2022-40304: libxml2 before 2.10.3 contains invalid XML entity definitions that can corrupt a hash table key, potentially triggering logic errors and, in at least one case, a double-free. Affected library is libxml2; CVSS v3.1 shows base score 7.8 (HIGH) with LOCAL access, high impact. Public ...