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CVSS: 9.8EPSS: 12%CPEs: 12EXPL: 0

21 Apr 2015 — Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer. Desbordamiento de buffer en gethostbyname_r y otras funciones NSS no especificadas en la librería C de GNU (también conocida como glibc o libc6) en versiones anteriores a 2.22, permite a atacantes dependientes... • http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 1%CPEs: 9EXPL: 2

05 Mar 2015 — DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset. DB_LOOKUP en nss_files/files-XXX.c en Name Service Switch (NSS) en GNU C Library (también conocida como glibc o libc6) 2.21 y versiones anteriores no comprueba cor... • http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html • CWE-17: DEPRECATED: Code CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVSS: 5.9EPSS: 0%CPEs: 8EXPL: 1

24 Feb 2015 — The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of requests that trigger a call to the getaddrinfo function. La función send_dg en resolv/res_send.c en GNU C Library (también conocido como glibc o libc6) en versiones anteriores a 2.20 no reutiliza adecuadamente descriptores de fichero, lo que permite a atacantes remotos mandar cons... • https://packetstorm.news/files/id/164014 • CWE-17: DEPRECATED: Code CWE-201: Insertion of Sensitive Information Into Sent Data •

CVSS: 6.4EPSS: 0%CPEs: 5EXPL: 0

24 Feb 2015 — The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during a risk-management decision for use of the alloca function, which might allow context-dependent attackers to cause a denial of service (segmentation violation) or overwrite memory locations beyond the stack boundary via a long line containing wide characters that are improperly handled in a wscanf call. El macro ADDW en stdio-common/vfscanf.c en la libraría GNU C (ta... • http://openwall.com/lists/oss-security/2015/02/04/1 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-121: Stack-based Buffer Overflow •

CVSS: 9.8EPSS: 1%CPEs: 1EXPL: 0

24 Feb 2015 — The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI_IDN flag is used, allows context-dependent attackers to cause a denial of service (invalid free) and possibly execute arbitrary code via unspecified vectors, as demonstrated by an internationalized domain name to ping6. Vulnerabilidad en la función getaddrinfo en glibc en versiones anteriores a 2.15, cuando es compilado con libidn y es utilizado el indicador AI_IDN, permite a atacantes dependientes de contexto provocar una d... • http://rhn.redhat.com/errata/RHSA-2015-1627.html • CWE-17: DEPRECATED: Code •

CVSS: 9.8EPSS: 1%CPEs: 5EXPL: 2

24 Feb 2015 — The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during memory allocation, which allows context-dependent attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a long line containing wide characters that are improperly handled in a wscanf call. El macro ADDW en stdio-common/vfscanf.c en la libraría GNU C (también conocida como glibc o libc6) anterior a 2.21 no considera co... • https://packetstorm.news/files/id/154361 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-122: Heap-based Buffer Overflow •

CVSS: 7.8EPSS: 11%CPEs: 7EXPL: 3

24 Feb 2015 — The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process. La implementación nss_dns de getnetbyname en GNU C Library (también conocido como glibc) anterior a 2.21, cuando el backend DNS en la configuración Name Service Switch está habilitado, permite a atacantes remotos cau... • https://packetstorm.news/files/id/154361 • CWE-399: Resource Management Errors CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVSS: 10.0EPSS: 97%CPEs: 33EXPL: 39

27 Jan 2015 — Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent attackers to execute arbitrary code via vectors related to the (1) gethostbyname or (2) gethostbyname2 function, aka "GHOST." Desbordamiento de buffer basado en memoria dinámica en la función __nss_hostname_digits_dots en glibc 2.2, y otras versiones 2.x anteriores a 2.18, permite a atacantes dependientes de contexto ejecutar código arbitrario a través de vectores ... • https://packetstorm.news/files/id/181060 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 1%CPEs: 29EXPL: 2

08 Sep 2014 — GNU C Library (aka glibc) before 2.20 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via a multibyte character value of "0xffff" to the iconv function when converting (1) IBM933, (2) IBM935, (3) IBM937, (4) IBM939, or (5) IBM1364 encoded data to UTF-8. GNU C Library (también conocido como glibc) anterior a 2.20 permite a atacantes dependientes de contexto causar una denegación de servicio (lectura fuera de rango y caída) a través de un valor de caracteres de m... • http://linux.oracle.com/errata/ELSA-2015-0016.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 0%CPEs: 6EXPL: 1

08 Sep 2014 — iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8. iconvdata/ibm930.c en GNU C Library (también conocido como glibc) anterior a 2.16 permite a atacantes dependientes de contexto causar una denegación de servicio (lectura fuera de rango) a través de un valor de caracteres de multibytes de '0xffff' en la fu... • http://www.debian.org/security/2015/dsa-3142 • CWE-20: Improper Input Validation •