
CVE-2021-3416 – QEMU: net: Infinite loop in loopback mode may lead to stack overflow
https://notcve.org/view.php?id=CVE-2021-3416
18 Mar 2021 — A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario. Se encontró un posible desbordamiento de la pila por medio de un problema de bucle infinito en varios emuladores de NIC de QEMU en versiones hasta 5.2.0 incluyéndola.&... • https://bugzilla.redhat.com/show_bug.cgi?id=1932827 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVE-2021-20239 – kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure
https://notcve.org/view.php?id=CVE-2021-20239
16 Mar 2021 — A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality. Se encontró un fallo en el kernel de Linux en versiones anteriores a 5.4.92 en el protocolo BPF. Este fallo permite a un atacante con una cuenta local filtrar información sobre las direcciones internas del kernel. • https://bugzilla.redhat.com/show_bug.cgi?id=1923636 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-822: Untrusted Pointer Dereference •

CVE-2021-20179 – pki-core: Unprivileged users can renew any certificate
https://notcve.org/view.php?id=CVE-2021-20179
15 Mar 2021 — A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. The highest threat from this vulnerability is to data confidentiality and integrity. Se encontró un fallo en pki-core. Un atacante que haya comprometido con éxito una clave podría usar este fallo para renovar el certificado correspondiente una y otra vez, siempre que no se revoque explícitamente. • https://bugzilla.redhat.com/show_bug.cgi?id=1914379 • CWE-863: Incorrect Authorization •

CVE-2020-35524 – libtiff: Heap-based buffer overflow in TIFF2PDF tool
https://notcve.org/view.php?id=CVE-2020-35524
09 Mar 2021 — 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... • https://bugzilla.redhat.com/show_bug.cgi?id=1932044 • CWE-787: Out-of-bounds Write •

CVE-2020-35522 – libtiff: Memory allocation failure in tiff2rgba
https://notcve.org/view.php?id=CVE-2020-35522
09 Mar 2021 — 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 It was discovered that LibTIFF incorrectly handled certain images. An attacker could possibly use this issue to cause a crash, resulting in a denial of ser... • https://bugzilla.redhat.com/show_bug.cgi?id=1932037 • 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
09 Mar 2021 — 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 The Migration Toolkit for Containers enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Con... • https://bugzilla.redhat.com/show_bug.cgi?id=1932034 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2021-20244 – Ubuntu Security Notice USN-5736-1
https://notcve.org/view.php?id=CVE-2021-20244
09 Mar 2021 — A flaw was found in ImageMagick in MagickCore/visual-effects.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability. Se encontró un fallo en ImageMagick en el archivo MagickCore/visual-effects.c. Un atacante que envía un archivo diseñado que es procesado por ImageMagick podría desencadenar un comportamiento indefinido en el formulario de divisió... • https://bugzilla.redhat.com/show_bug.cgi?id=1928959 • CWE-369: Divide By Zero •

CVE-2021-20245 – Ubuntu Security Notice USN-5736-1
https://notcve.org/view.php?id=CVE-2021-20245
09 Mar 2021 — A flaw was found in ImageMagick in coders/webp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability. Se encontró un fallo en ImageMagick en el archivo coders/webp.c. Un atacante que envía un archivo diseñado que es procesado por ImageMagick podría desencadenar un comportamiento indefinido en el formulario de división matemática por cero. • https://bugzilla.redhat.com/show_bug.cgi?id=1928943 • CWE-369: Divide By Zero •

CVE-2021-20246 – Ubuntu Security Notice USN-5736-1
https://notcve.org/view.php?id=CVE-2021-20246
09 Mar 2021 — A flaw was found in ImageMagick in MagickCore/resample.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability. Se encontró un fallo en ImageMagick en el archivo MagickCore/resample.c. Un atacante que envía un archivo diseñado que es procesado por ImageMagick podría desencadenar un comportamiento indefinido en el formulario de división matemática... • https://bugzilla.redhat.com/show_bug.cgi?id=1928941 • CWE-369: Divide By Zero •

CVE-2021-20270 – python-pygments: Infinite loop in SML lexer may lead to DoS
https://notcve.org/view.php?id=CVE-2021-20270
09 Mar 2021 — 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 "exc... • https://bugzilla.redhat.com/show_bug.cgi?id=1922136 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •