Datadog dd-trace-py: ReDoS in URL query string obfuscation

影響: pip:ddtrace >= 1.5.0, < 3.19.9 → 3.19.9, pip:ddtrace >= 4.0.0, < 4.15.6 → 4.15.6

A regular expression used to obfuscate URL query strings can consume excessive CPU when processing certain attacker-controlled input. This can stall request processing and cause denial of service in applications using affected HTTP tracing integrations. Details The default query-string obfuscation pattern can exhibit excessive backtracking. The pattern is applied synchronously when recording HTTP URL metadata, allowing query-string processing to occupy application resources for an extended peri…

在 GitHub Advisory Database 阅读

2026/10/28 00:37，GitHub Advisory Database 发布了“Datadog dd-trace-py: ReDoS in URL query string obfuscation”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：Python、Datadog。CVE：CVE-2026-116588。