CVE-2026-107349
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage
CVSS
7.5
Alto
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 14 oct 2026 · Última mod.: 14 oct 2026 · CWE-400 · CWE-835
Sin historial EPSS suficiente todavía.
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage whose options parameter contains an empty parameter name, such as "-c=", makes the ignore_startup_parameters list lookup loop forever. Because PgBouncer serves all clients from a single process, this saturates a CPU core and makes PgBouncer unresponsive to all clients until the process is restarted.
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