CVE-2026-40879

描述

### Impact Attacker sends many small, valid JSON messages in one TCP frame → handleData() recurses once per message; buffer shrinks each call → maxBufferSize is never reached; call stack overflows instead → A ~47 KB payload is sufficient to trigger RangeError ### Patches Fixed in `@nestjs/[email protected]` ### References Discovered by https://github.com/hwpark6804-gif

如何修補 CVE-2026-40879

要修補 CVE-2026-40879,請將受影響套件升級到下列已修補版本。

• —升級至 11.1.19 或更新版本

CVE-2026-40879 正在被利用嗎?

低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 11.1.19

CVSS 分數

參考連結(3)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2026-40879
• PATCHgithub.com/nestjs/nest
• WEBgithub.com/nestjs/nest/security/advisories/GHSA-hpwf-8g29-85qm