CVSS: 7.5EPSS: 0%CPEs: 23EXPL: 0CVE-2022-40303 – libxml2: integer overflows with XML_PARSE_HUGE
https://notcve.org/view.php?id=CVE-2022-40303
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault. Se descubrió un problema en libxml2 antes de la versión 2.10.3. Al analizar un documento XML de varios gigabytes con la opción de analizador XML_PARSE_HUGE habilitada, varios contadores de enteros pueden desbordarse. • http://seclists.org/fulldisclosure/2022/Dec/21 http://seclists.org/fulldisclosure/2022/Dec/24 http://seclists.org/fulldisclosure/2022/Dec/25 http://seclists.org/fulldisclosure/2022/Dec/26 http://seclists.org/fulldisclosure/2022/Dec/27 https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abc266bc2c0 https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3 https://security.netapp.com/advisory/ntap-20221209-0003 https://support.apple.com/kb/HT213531 https:/ • CWE-190: Integer Overflow or Wraparound •
CVSS: 6.1EPSS: 0%CPEs: 1EXPL: 1CVE-2016-3709 – libxml2: Incorrect server side include parsing can lead to XSS
https://notcve.org/view.php?id=CVE-2016-3709
Possible cross-site scripting vulnerability in libxml after commit 960f0e2. Una posible vulnerabilidad de tipo cross-site scripting en libxml versiones posteriores al commit 960f0e2 A Cross-site scripting (XSS) vulnerability was found in libxml2. A specially crafted input, when serialized and re-parsed by the libxml2 library, will result in a document with element attributes that did not exist in the original document. • https://mail.gnome.org/archives/xml/2018-January/msg00010.html https://access.redhat.com/security/cve/CVE-2016-3709 https://bugzilla.redhat.com/show_bug.cgi?id=2112766 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 7.4EPSS: 0%CPEs: 28EXPL: 2CVE-2022-29824 – libxml2: integer overflows in xmlBuf and xmlBuffer lead to out-of-bounds write
https://notcve.org/view.php?id=CVE-2022-29824
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. En libxml2 versiones anteriores a 2.9.14, varias funciones de manejo de búferes en buf.c (xmlBuf*) y tree.c (xmlBuffer*) no comprueban los desbordamientos de enteros. • 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/-/commit/2554a2408e09f13652049e5ffb0d26196b02ebab https://gitlab.gnome.org/GNOME/libxml2/-/commit/6c283d83eccd940bcde15634ac8c7f100e3caefd https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.9.14 https://gitlab.gnome.org/GNOME/libxslt/-/tags https://lists.debian.org/debian-lts-announce/2022/05/msg0 • CWE-190: Integer Overflow or Wraparound CWE-787: Out-of-bounds Write •
CVSS: 8.1EPSS: 0%CPEs: 58EXPL: 0CVE-2022-23308 – libxml2: Use-after-free of ID and IDREF attributes
https://notcve.org/view.php?id=CVE-2022-23308
valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. El archivo valid.c en libxml2 versiones anteriores a 2.9.13, presenta un uso de memoria previamente liberada de los atributos ID e IDREF. A flaw was found in libxml2. A call to the xmlGetID function can return a pointer already freed when parsing an XML document with the XML_PARSE_DTDVALID option and without the XML_PARSE_NOENT option, resulting in a use-after-free issue. • http://seclists.org/fulldisclosure/2022/May/33 http://seclists.org/fulldisclosure/2022/May/34 http://seclists.org/fulldisclosure/2022/May/35 http://seclists.org/fulldisclosure/2022/May/36 http://seclists.org/fulldisclosure/2022/May/37 http://seclists.org/fulldisclosure/2022/May/38 https://github.com/GNOME/libxml2/commit/652dd12a858989b14eed4e84e453059cd3ba340e https://gitlab.gnome.org/GNOME/libxml2/-/blob/v2.9.13/NEWS https://lists.debian.org/debian-lts-announce/2022/04/msg00004. • CWE-416: Use After Free •
CVSS: 6.5EPSS: 0%CPEs: 27EXPL: 0CVE-2021-3541 – libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms
https://notcve.org/view.php?id=CVE-2021-3541
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service. Se ha encontrado un fallo en libxml2. Es posible un ataque de expansión exponencial de entidades omitiendo todos los mecanismos de protección existentes y conllevando a una denegación de servicio • https://bugzilla.redhat.com/show_bug.cgi?id=1950515 https://security.netapp.com/advisory/ntap-20210805-0007 https://www.oracle.com/security-alerts/cpujan2022.html https://access.redhat.com/security/cve/CVE-2021-3541 • CWE-400: Uncontrolled Resource Consumption CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') •