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CVSS: 5.3EPSS: 4%CPEs: 11EXPL: 0

01 Jul 2019 — In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character. En el archivo numbers.c en libxslt versión 1.1.33, un xsl:number con ciertas cadenas de formato conllevaría a una lectura no inicializada en la función xsltNumberFormatInsertNumbers. Esto podría permitir a un atacante discernir si un b... • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html • CWE-908: Use of Uninitialized Resource •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0

07 May 2019 — Type confusion in xsltNumberFormatGetMultipleLevel prior to libxslt 1.1.33 could allow attackers to potentially exploit heap corruption via crafted XML data. Una confusión de tipo en la función xsltNumberFormatGetMultipleLevel versiones anteriores a libxslt versión 1.1.33, podría permitir a atacantes explotar potencialmente la corrupción de la pila por medio de datos XML diseñados. Nicolas Gregoire discovered that Libxslt incorrectly handled certain XML. An attacker could possibly use this issue to expose s... • https://bugs.chromium.org/p/chromium/issues/detail?id=930663 • CWE-787: Out-of-bounds Write CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') •

CVSS: 9.8EPSS: 0%CPEs: 31EXPL: 0

10 Apr 2019 — libxslt through 1.1.33 allows bypass of a protection mechanism because callers of xsltCheckRead and xsltCheckWrite permit access even upon receiving a -1 error code. xsltCheckRead can return -1 for a crafted URL that is not actually invalid and is subsequently loaded. libxslt hasta la versión 1.1.33 permite omitir los mecanismos de protección debido a que los callers xsltCheckRead y xsltCheckWrite permiten acceso incluso después de recibir el código de error -1. xsltCheckRead puede devolver -1 para una URL ... • http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00048.html • CWE-284: Improper Access Control •

CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 0

16 Aug 2018 — libxml2, as used in Red Hat JBoss Core Services and when in recovery mode, allows context-dependent attackers to cause a denial of service (stack consumption) via a crafted XML document. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-3627. libxml2, tal y como se usa en Red Hat JBoss Core Services y en modo de recuperación, permite que los atacantes dependientes de contexto provoquen una denegación de servicio (consumo de pila) mediante un documento XML. NOTA: Esta vulnerabilidad ex... • https://bugzilla.redhat.com/show_bug.cgi?id=1408302 • CWE-400: Uncontrolled Resource Consumption CWE-674: Uncontrolled Recursion •

CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 0

16 Aug 2018 — libxml2, as used in Red Hat JBoss Core Services, allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted XML document. NOTE: this vulnerability exists because of a missing fix for CVE-2016-4483. libxml2, tal y como se usa en Red Hat JBoss Core Services, permite que los atacantes dependientes de contexto provoquen una denegación de servicio (lectura fuera de límites y cierre inesperado de la aplicación) mediante un documento XML. NOTA: Esta vul... • https://access.redhat.com/errata/RHSA-2018:2486 • CWE-125: Out-of-bounds Read CWE-674: Uncontrolled Recursion •

CVSS: 6.5EPSS: 0%CPEs: 5EXPL: 0

15 Aug 2018 — libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251. libxml2 2.9.8, si se emplea --with-lzma, permite que atacantes remotos provoquen una denegación de servicio (bucle infinito) mediante un archivo XML manipulado que desencadena LZMA_MEMLIMIT_ERROR, tal y como queda demostrado por xmllint. Esta vulnerabili... • http://www.securityfocus.com/bid/105198 • CWE-400: Uncontrolled Resource Consumption CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

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

30 Jul 2018 — It was found that Red Hat JBoss Core Services erratum RHSA-2016:2957 for CVE-2016-3705 did not actually include the fix for the issue found in libxml2, making it vulnerable to a Denial of Service attack due to a Stack Overflow. This is a regression CVE for the same issue as CVE-2016-3705. Se ha descubierto que el erratum de Red Hat JBoss Core Services RHSA-2016:2957 para CVE-2016-3705 no incluía la solución al problema en libxml2, lo que lo hace vulnerable a un ataque de denegación de servicio (DoS) debido ... • http://www.securityfocus.com/bid/98567 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-674: Uncontrolled Recursion •

CVSS: 7.5EPSS: 27%CPEs: 6EXPL: 0

19 Jul 2018 — A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application. Existe una vulnerabilidad de desreferencia de puntero NULL en la función xpath.c:xmlXPathCompOpEval() de libxml2 hasta la versión 2.9.8 al an... • https://access.redhat.com/errata/RHSA-2019:1543 • CWE-476: NULL Pointer Dereference •

CVSS: 6.5EPSS: 1%CPEs: 1EXPL: 0

08 Apr 2018 — The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file. La función xz_head en xzlib.c en libxml2, en versiones anteriores a la 2.9.6, permite que atacantes remotos provoquen una denegación de servicio (consumo de memoria) mediante un archivo LZMA. Esto se dene a que la funcionalidad de descifrado no rest... • https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 1

04 Apr 2018 — The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035. La función xz_decomp en xzlib.c en libxml2 2.9.8, si se emplea --with-lzma, permite que atacantes remotos provoquen una denegación de servicio (bucle infinito) mediante un archivo XML manipulado que desencadena LZMA_MEMLIMIT_ERROR, tal... • https://bugzilla.gnome.org/show_bug.cgi?id=794914 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •