SB20260424108 - Multiple vulnerabilities in devalue

Description

This security bulletin contains information about 2 vulnerabilities.

1) Asymmetric Resource Consumption (Amplification) (CVE-ID: CVE-2026-22775)

CWE-ID: CWE-405 - Asymmetric Resource Consumption (Amplification)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to improper input validation in devalue.parse ArrayBuffer hydration logic when parsing externally supplied data. A remote attacker can send specially crafted input to cause a denial of service.

This affects applications that use devalue.parse on data from untrusted sources.

2) Asymmetric Resource Consumption (Amplification) (CVE-ID: CVE-2026-22774)

CWE-ID: CWE-405 - Asymmetric Resource Consumption (Amplification)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to improper input validation in devalue.parse typed array hydration logic when parsing externally supplied data. A remote attacker can send specially crafted input to cause a denial of service.

This affects applications that use devalue.parse on untrusted input.

Remediation

Install update from vendor's website.

References

• https://github.com/sveltejs/devalue/security/advisories/GHSA-g2pg-6438-jwpf
• https://github.com/advisories/GHSA-g2pg-6438-jwpf
• https://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv
• https://github.com/advisories/GHSA-vw5p-8cq8-m7mv