
CVE-2021-23017 – Nginx 1.20.0 - Denial of Service (DOS)
https://notcve.org/view.php?id=CVE-2021-23017
26 May 2021 — A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact. Se identificó un problema de seguridad en el solucionador de nginx, que podría permitir a un atacante que pueda falsificar paquetes UDP desde el servidor DNS para causar una sobrescritura de memoria de 1 byte, lo que causaría un bloqueo del proceso de trabajo u otro impacto potencia... • https://packetstorm.news/files/id/167720 • CWE-193: Off-by-one Error •

CVE-2021-3559
https://notcve.org/view.php?id=CVE-2021-3559
24 May 2021 — A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability. Se encontró un fallo en libvirt en la API virConnectListAllNodeDevices en versiones anterior... • https://bugzilla.redhat.com/show_bug.cgi?id=1962306 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2020-36332 – libwebp: excessive memory allocation when reading a file
https://notcve.org/view.php?id=CVE-2020-36332
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. When reading a file libwebp allocates an excessive amount of memory. The highest threat from this vulnerability is to the service availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Al leer un archivo, libwebp asigna una cantidad excesiva de memoria. • https://bugzilla.redhat.com/show_bug.cgi?id=1956868 • CWE-20: Improper Input Validation CWE-400: Uncontrolled Resource Consumption •

CVE-2020-36331 – libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c
https://notcve.org/view.php?id=CVE-2020-36331
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Se encontró una lectura fuera de límites en la función ChunkAssignData. • http://seclists.org/fulldisclosure/2021/Jul/54 • CWE-125: Out-of-bounds Read •

CVE-2020-36330 – libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c
https://notcve.org/view.php?id=CVE-2020-36330
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Se encontró una lectura fuera de límites en la función ChunkVerifyAndAssign. • http://seclists.org/fulldisclosure/2021/Jul/54 • CWE-125: Out-of-bounds Read •

CVE-2020-36329 – libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c
https://notcve.org/view.php?id=CVE-2020-36329
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Se encontró un uso de la memoria previamente liberada debido a que un subproceso se eliminó demasiado pronto. • http://seclists.org/fulldisclosure/2021/Jul/54 • CWE-416: Use After Free •

CVE-2020-36328 – libwebp: heap-based buffer overflow in WebPDecode*Into functions
https://notcve.org/view.php?id=CVE-2020-36328
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Un desbordamiento del búfer en la región heap de la memoria en la función WebPDecodeRGBInto es posible debido a una verificación no válida del tamaño del búfer. • http://seclists.org/fulldisclosure/2021/Jul/54 • CWE-787: Out-of-bounds Write •

CVE-2021-3517 – libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c
https://notcve.org/view.php?id=CVE-2021-3517
19 May 2021 — There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application. Se presenta un fallo en la funcion... • https://bugzilla.redhat.com/show_bug.cgi?id=1954232 • CWE-787: Out-of-bounds Write •

CVE-2021-3518 – libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c
https://notcve.org/view.php?id=CVE-2021-3518
18 May 2021 — There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability. Se presenta un fallo en libxml2 en versiones anteriores a 2.9.11. Un atacante que pueda enviar un archivo diseñado para que sea procesado por una aplicación vinculada con libxml2 podría desencadenar un uso de la memoria previamente ... • http://seclists.org/fulldisclosure/2021/Jul/54 • CWE-416: Use After Free •

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
14 May 2021 — 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 des... • https://bugzilla.redhat.com/show_bug.cgi?id=1956522 • CWE-476: NULL Pointer Dereference •