CVE-2020-35524 – libtiff: Heap-based buffer overflow in TIFF2PDF tool
https://notcve.org/view.php?id=CVE-2020-35524
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un error de desbordamiento de búfer en la región heap de la memoria en libtiff en el manejo de imágenes TIFF en la herramienta TIFF2PDF de libtiff. Un archivo TIFF especialmente diseñado puede conllevar a una ejecución de código arbitraria. • https://bugzilla.redhat.com/show_bug.cgi?id=1932044 https://gitlab.com/libtiff/libtiff/-/merge_requests/159 https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22 https://lists.debian.org/debian-lts-announce/2021/06/msg00023.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG https://security.gentoo.org/glsa/202104-06 https://security.netapp.com/advisory/ntap-20210521-0009 https://www.debian.org/se • CWE-787: Out-of-bounds Write •
CVE-2020-35522 – libtiff: Memory allocation failure in tiff2rgba
https://notcve.org/view.php?id=CVE-2020-35522
In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack. En LibTIFF, se presenta un fallo de memoria malloc en el archivo tif_pixarlog.c. Un documento TIFF diseñado puede conllevar a un aborto, resultando en un ataque de denegación de servicio remota • https://bugzilla.redhat.com/show_bug.cgi?id=1932037 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG https://security.gentoo.org/glsa/202104-06 https://security.netapp.com/advisory/ntap-20210521-0009 https://access.redhat.com/security/cve/CVE-2020-35522 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2020-35521 – libtiff: Memory allocation failure in tiff2rgba
https://notcve.org/view.php?id=CVE-2020-35521
A flaw was found in libtiff. Due to a memory allocation failure in tif_read.c, a crafted TIFF file can lead to an abort, resulting in denial of service. Se encontró un fallo en libtiff. Debido a un fallo en la asignación de memoria en el archivo tif_read.c, un archivo TIFF diseñado puede provocar un aborto, resultando en una denegación de servicio • https://bugzilla.redhat.com/show_bug.cgi?id=1932034 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG https://security.gentoo.org/glsa/202104-06 https://security.netapp.com/advisory/ntap-20210521-0009 https://access.redhat.com/security/cve/CVE-2020-35521 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2021-3411
https://notcve.org/view.php?id=CVE-2021-3411
A flaw was found in the Linux kernel in versions prior to 5.10. A violation of memory access was found while detecting a padding of int3 in the linking state. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en el kernel de Linux en versiones anteriores a 5.10. Se encontró una violación del acceso a la memoria al detectar un relleno de int3 en el estado de enlace. • http://blog.pi3.com.pl/?p=831 https://bugzilla.redhat.com/show_bug.cgi?id=1928236 • CWE-94: Improper Control of Generation of Code ('Code Injection') •
CVE-2021-20270 – python-pygments: Infinite loop in SML lexer may lead to DoS
https://notcve.org/view.php?id=CVE-2021-20270
An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword. Un bucle infinito en SMLLexer en Pygments versiones 1.5 hasta 2.7.3, puede conllevar a una denegación de servicio cuando se lleva a cabo el resaltado de sintaxis de un archivo fuente de Standard ML (SML), como es demostrado por la entrada que solo contiene la palabra clave "exception" • https://bugzilla.redhat.com/show_bug.cgi?id=1922136 https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html https://www.debian.org/security/2021/dsa-4889 https://www.oracle.com/security-alerts/cpuoct2021.html https://access.redhat.com/security/cve/CVE-2021-20270 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •