CVE-2022-29824

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CVE-2022-29824

Summary:

Details: In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.

References: http://packetstormsecurity.com/files/167345/libxml2-xmlBufAdd-Heap-Buffer-Overflow.html, http://packetstormsecurity.com/files/169825/libxml2-xmlParseNameComplex-Integer-Overflow.html, https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.9.14, https://gitlab.gnome.org/GNOME/libxslt/-/tags, https://www.oracle.com/security-alerts/cpujul2022.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29824.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZOBT5Y6Y2QLDDX2HZGMV7MJMWGXORKK/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3NVZVWFRBXBI3AKZZWUWY6INQQPQVSF/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P5363EDV5VHZ5C77ODA43RYDCPMA7ARM/, https://nvd.nist.gov/vuln/detail/CVE-2022-29824, https://security.gentoo.org/glsa/202210-03, https://security.netapp.com/advisory/ntap-20220715-0006/, https://www.debian.org/security/2022/dsa-5142, https://gitlab.gnome.org/GNOME/libxml2/-/commit/2554a2408e09f13652049e5ffb0d26196b02ebab, https://gitlab.gnome.org/GNOME/libxml2/-/commit/6c283d83eccd940bcde15634ac8c7f100e3caefd, https://lists.debian.org/debian-lts-announce/2022/05/msg00023.html