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CVSS: 9.8EPSS: 0%CPEs: 2EXPL: 0

18 May 2018 — An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution. Una implementación memmove optimiza... • https://github.com/fingolfin/memmove-bug • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 3

13 Dec 2017 — A memory leak in glibc 2.1.1 (released on May 24, 1999) can be reached and amplified through the LD_HWCAP_MASK environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366. Una fuga de memoria en glibc 2.1.1 (publicado el 24 de mayo de 1999) puede ser alcanzada y amplificada mediante la variable de entorno LD_HWCAP_MASK. Hay que tener en cuenta que muchas versiones de glibc no son vulnerables a este problema si se corrigen con el parche para ... • https://packetstorm.news/files/id/145391 • CWE-772: Missing Release of Resource after Effective Lifetime •

CVSS: 7.0EPSS: 0%CPEs: 1EXPL: 3

13 Dec 2017 — A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366. Un desbordamiento de búfer en glibc 2.5 (publicado el 29 de septiembre de 2006) puede ser desencadenado mediante la variable de entorno LD_LIBRARY_PATH. Hay que tener en cuenta que muchas versiones de glibc no son vulnerables a este problema si se corrigen con el parche ... • https://packetstorm.news/files/id/145391 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 8.1EPSS: 0%CPEs: 1EXPL: 1

05 Dec 2017 — The malloc function in the GNU C Library (aka glibc or libc6) 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZE_MAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache (aka tcache) feature enables a code path that lacks an integer overflow check. La función malloc en GNU C Library (también conocida como glibc o libc6) 2.26 podría devolver un bloque de memoria demasiado pequeño si se intenta asig... • https://sourceware.org/bugzilla/show_bug.cgi?id=22375 • CWE-190: Integer Overflow or Wraparound •

CVSS: 6.2EPSS: 0%CPEs: 1EXPL: 1

18 Oct 2017 — scanf and related functions in glibc before 2.15 allow local users to cause a denial of service (segmentation fault) via a large string of 0s. La función scanf y las funciones relacionadas en glibc en versiones anteriores a la 2.15 permiten que usuarios locales provoquen una denegación de servicio (fallo de segmentación) mediante una larga cadena de ceros. • http://www.openwall.com/lists/oss-security/2015/03/12/14 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 5.9EPSS: 0%CPEs: 1EXPL: 0

07 Sep 2017 — Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified impact via vectors related to error path. Vulnerabilidad de uso de memoria previamente liberada en la función clntudp_call en sunrpc/clnt_udp.c en GNU C Library (también conocida como glibc o libc6), en versiones anteriores a la 2.26, permite que atacantes remotos provoquen un impacto sin especificar mediante vectores relacionados co... • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYZL6PAKI73XYRJYL5VLDGA4FFGWMB7A • CWE-416: Use After Free •

CVSS: 5.9EPSS: 0%CPEs: 1EXPL: 0

01 Aug 2017 — The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation. La herramienta de resolución de zonas stub de DNS en la librería GNU C, también conocida como glibc o libc6, en sus versiones anteriores a la 2.26 cuando el soporte EDNS está activado, solicitará respuestas UDP de gran tamaño de servidores de nombres, pudiendo simpl... • http://www.securityfocus.com/bid/100598 • CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.8EPSS: 0%CPEs: 52EXPL: 7

19 Jun 2017 — glibc contains a vulnerability that allows specially crafted LD_LIBRARY_PATH values to manipulate the heap/stack, causing them to alias, potentially resulting in arbitrary code execution. Please note that additional hardening changes have been made to glibc to prevent manipulation of stack and heap memory but these issues are not directly exploitable, as such they have not been given a CVE. This affects glibc 2.25 and earlier. Glibc contiene una vulnerabilidad que permite que los valores LD_LIBRARY_PATH esp... • https://packetstorm.news/files/id/154361 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 2%CPEs: 1EXPL: 2

12 Jun 2017 — nscd in the GNU C Library (aka glibc or libc6) before version 2.20 does not correctly compute the size of an internal buffer when processing netgroup requests, possibly leading to an nscd daemon crash or code execution as the user running nscd. nscd en la biblioteca C de GNU (también conocido como glibc o libc6), versiones anteriores a la 2.20 ,no calcula correctamente el tamaño de un buffer interno al procesar solicitudes netgroup, posibilitando la caída del demonio nscd o permitiendo la ejecución de códig... • https://packetstorm.news/files/id/154361 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 1%CPEs: 1EXPL: 0

07 May 2017 — The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references **EN DISPUTA** Las funciones xdr_bytes y xdr_string en la librería GNU C (conocida como glibc o libc6) 2... • http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html • CWE-502: Deserialization of Untrusted Data •