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CVSS: 8.1EPSS: 0%CPEs: 58EXPL: 0

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: 6.2EPSS: 0%CPEs: 8EXPL: 1

There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned Se presenta un fallo en polkit que puede permitir a un usuario no privilegiado causar un bloqueo de polkit, debido al agotamiento del descriptor de archivos del proceso. La mayor amenaza de esta vulnerabilidad es la disponibilidad. NOTA: La duración de la interrupción del proceso de polkit está ligada al proceso que falla y a la creación de uno nuevo There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. • http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html https://access.redhat.com/security/cve/cve-2021-4115 https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e https://gitlab.freedesktop.org/polkit/polkit/-/issues/141 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF https://www.oracle.com/security-alerts/cpujul2022.html https://access.redhat • CWE-400: Uncontrolled Resource Consumption CWE-403: Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak') •

CVSS: 7.5EPSS: 1%CPEs: 9EXPL: 0

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString. En Expat (también se conoce como libexpat) versiones anteriores a 2.4.5, se presenta un desbordamiento de enteros en copyString An integer overflow flaw was found in expat. This issue affects the encoding name parameter at the parser creation time, which is often hard-coded (rather than user input), takes a value in the gigabytes to trigger, and on a 64-bit machine. This flaw can cause a denial of service. • http://www.openwall.com/lists/oss-security/2022/02/19/1 https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf https://github.com/libexpat/libexpat/pull/560 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM https://security.gentoo.org/glsa/202209-24 https://security.netapp.com/advisory/ntap-20220303-0008 htt • CWE-190: Integer Overflow or Wraparound •

CVSS: 9.8EPSS: 2%CPEs: 9EXPL: 1

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. En Expat (también se conoce como libexpat) versiones anteriores a 2.4.5, se presenta un desbordamiento de enteros en storeRawNames An integer overflow was found in expat. The issue occurs in storeRawNames() by abusing the m_buffer expansion logic to allow allocations very close to INT_MAX and out-of-bounds heap writes. This flaw can cause a denial of service or potentially arbitrary code execution. • http://www.openwall.com/lists/oss-security/2022/02/19/1 https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf https://github.com/libexpat/libexpat/pull/559 https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM https://security.gentoo.org/glsa&# • CWE-190: Integer Overflow or Wraparound CWE-787: Out-of-bounds Write •

CVSS: 6.5EPSS: 1%CPEs: 9EXPL: 2

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element. En Expat (también se conoce como libexpat) versiones anteriores a 2.4.5, un atacante puede desencadenar un agotamiento de pila en build_model por medio de una gran profundidad de anidamiento en el elemento DTD A flaw was found in expat. A stack exhaustion in doctype parsing could be triggered by a file with a large number of opening braces, resulting in a denial of service. • https://github.com/Trinadh465/external_expat-2.1.0_CVE-2022-25313 https://github.com/ShaikUsaf/external_expact_AOSP10_r33_CVE-2022-25313 http://www.openwall.com/lists/oss-security/2022/02/19/1 https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf https://github.com/libexpat/libexpat/pull/558 https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU https • CWE-674: Uncontrolled Recursion CWE-770: Allocation of Resources Without Limits or Throttling •