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CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 1

flb_gzip_compress in flb_gzip.c in Fluent Bit before 1.6.4 has an out-of-bounds write because it does not use the correct calculation of the maximum gzip data-size expansion. La función flb_gzip_compress en el archivo flb_gzip.c en Fluent Bit versiones anteriores a 1.6.4, presenta una escritura fuera de límites porque no usa el cálculo correcto de la expansión máxima de tamaño de datos gzip. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27261 https://fluentbit.io/announcements/v1.6.4 https://github.com/fluent/fluent-bit/commit/cadff53c093210404aed01c4cf586adb8caa07af • CWE-787: Out-of-bounds Write •

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

An issue was discovered in the MQTT input plugin in Fluent Bit through 1.0.4. When this plugin acts as an MQTT broker (server), it mishandles incoming network messages. After processing a crafted packet, the plugin's mqtt_packet_drop function (in /plugins/in_mqtt/mqtt_prot.c) executes the memmove() function with a negative size parameter. That leads to a crash of the whole Fluent Bit server via a SIGSEGV signal. Se ha descubierto un problema en el plugin de entradas MQTT en Fluent Bit hasta la CVErsión 1.0.4. • https://github.com/fluent/fluent-bit/issues/1135 • CWE-681: Incorrect Conversion between Numeric Types •