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

- 種別: advisory
- 重大度: high
- 関連技術: python, datadog
- CVE: CVE-2026-116588
- 公開日時: 2026-10-27T15:37:31.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-3633-r77q-h3v3)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-3633-r77q-h3v3

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…