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CVE-2024-10955

ReDoS (Regular Expression Denial of Service) in gaizhenbiao/chuanhuchatgpt

CVSS 6.5 MEDIUMEPSS 0.7%CWE-1333
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.5EPSS 0.7%KEV nãoPoC Patch
Lifecycle
Mar 20, 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'<[^>]+>'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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