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CVE-2025-61729

Excessive resource consumption when printing error string for host certificate validation in crypto/x509

CVSS 7.5 HIGHEPSS 0.5%
Vexday Risk Score
21Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS 7.5EPSS 0.5%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
02 dez 2025Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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