SB2026091620 - Multiple vulnerabilities in nest

Description

This security bulletin contains information about 2 vulnerabilities.

1) Allocation of Resources Without Limits or Throttling (CVE-ID: N/A)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to allocation of resources without limits or throttling in the TCP transport's JsonSocket partial-packet buffering when a peer sends a partial framed message and leaves the connection open. A remote attacker can send a declared message length with a partial payload and keep connections open to cause a denial of service.

Only applications using Transport.TCP with a port reachable by an untrusted peer are affected.

2) Resource exhaustion (CVE-ID: N/A)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to uncontrolled resource consumption in JsonSocket#handleSend when a peer issues requests without reading responses. A remote attacker can issue requests and leave response data unread to cause a denial of service.

Only applications using Transport.TCP with a port reachable by an untrusted peer are affected.

Remediation

Install update from vendor's website.

References

• https://github.com/nestjs/nest/security/advisories/GHSA-96h4-vgxj-gvm2
• https://github.com/nestjs/nest/pull/17746