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CVE-2025-64508

Bugsink vulnerable to unauthenticated remote DoS via crafted Brotli input

CVSS 7.5 HIGHEPSS 0.4%CWE-770
Vexday Risk Score
21Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS 7.5EPSS 0.4%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
10 nov 2025Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
Bugsink is a self-hosted error tracking tool. In versions prior to 2.0.5, brotli "bombs" (highly compressed brotli streams, such as many zeros) can be sent to the server. Since the server will attempt to decompress these streams before applying various maximums, this can lead to exhaustion of the available memory and thus a Denial of Service. This can be done if the `DSN` is known, which it is in many common setups (JavaScript, Mobile Apps). The issue is patched in Bugsink version `2.0.5`. The vulnerability is similar to, but distinct from, another brotli-related problem in Bugsink, GHSA-rrx3-2x4g-mq2h/CVE-2025-64509.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
bugsink · bugsink

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