CVE-2021-3537 – libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode
https://notcve.org/view.php?id=CVE-2021-3537
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability. Una vulnerabilidad encontrada en libxml2 en versiones anteriores a 2.9.11 muestra que no propagó errores al analizar el contenido mixto XML, causando una desreferencia de NULL. Si un documento XML que no es confiable fue analizado en modo de recuperación y pos-comprobado, el fallo podría usarse para bloquear la aplicación. • https://bugzilla.redhat.com/show_bug.cgi?id=1956522 https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV https://security.gentoo.org/glsa/202107-05 https://security.netapp.com/advisory/ntap-20210625-0002 https://www.oracle.com/security-alerts/cpuapr2022.html • CWE-476: NULL Pointer Dereference •
CVE-2021-20292
https://notcve.org/view.php?id=CVE-2021-20292
There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker with a local account with a root privilege, can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Se presenta un fallo reportado en el kernel de Linux en versiones anteriores a 5.9, en el archivo drivers/gpu/drm/nouveau/nouveau_sgdma.c en la función nouveau_sgdma_create_ttm en el subsistema Nouveau DRM. El problema es debido a una falta de comprobación de la existencia de un objeto antes de llevar a cabo operaciones en el objeto. • https://bugzilla.redhat.com/show_bug.cgi?id=1939686 https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html • CWE-416: Use After Free •
CVE-2021-3504 – hivex: Buffer overflow when provided invalid node key length
https://notcve.org/view.php?id=CVE-2021-3504
A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability. Se encontró un fallo en hivex library en versiones anteriores a 1.3.20. • https://bugzilla.redhat.com/show_bug.cgi?id=1949687 https://lists.debian.org/debian-lts-announce/2021/05/msg00011.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5BNKNVYFL36P2GBEB5O36LHFRYU575H https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BQXTEACRWYAZVNEOIWIYUFGG4GOXSQ22 https://access.redhat.com/security/cve/CVE-2021-3504 • CWE-125: Out-of-bounds Read •
CVE-2021-26582
https://notcve.org/view.php?id=CVE-2021-26582
A security vulnerability in HPE IceWall SSO Domain Gateway Option (Dgfw) module version 10.0 on RHEL 5/6/7, version 10.0 on HP-UX 11i v3, version 10.0 on Windows and 11.0 on Windows could be exploited remotely to allow cross-site scripting (XSS). Una vulnerabilidad de seguridad en el módulo HPE IceWall SSO Domain Gateway Option (Dgfw) versión 10.0 en RHEL 5/6/7, versión 10.0 en HP-UX 11i versión v3, versión 10.0 en Windows y 11.0 en Windows, podría ser explotado remotamente para permitir ataques de tipo cross-site scripting (XSS) • https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn04086en_us • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVE-2021-3443
https://notcve.org/view.php?id=CVE-2021-3443
A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.27 handled component references in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when opened. Se encontró un fallo de desreferencia de puntero NULL en la manera en que Jasper versiones anteriores a 2.0.27, manejaban las referencias de componentes en el decodificador de formato de imagen JP2. Un archivo de imagen JP2 especialmente diseñado podría causar que una aplicación que usa la biblioteca Jasper se bloquee al abrirse • https://bugzilla.redhat.com/show_bug.cgi?id=1939233 • CWE-476: NULL Pointer Dereference •