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CVE-2025-27144— Go JOSE's Parsing Vulnerable to Denial of Service

Quick assessment

Affected
go-jose go-jose
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Go JOSE是Go JOSE开源的一个 Go 中 JOSE 标准的实现。 Go JOSE 4.x版本至4.0.5之前版本存在安全漏洞，该漏洞源于内存过度消耗。攻击者利用该漏洞可以通过发送恶意令牌导致拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-27144

Vulnerability Information
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Vulnerability Title
Go JOSE's Parsing Vulnerable to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption (JWE), JSON Web Signature (JWS), and JSON Web Token (JWT) standards. In versions on the 4.x branch prior to version 4.0.5, when parsing compact JWS or JWE input, Go JOSE could use excessive memory. The code used strings.Split(token, ".") to split JWT tokens, which is vulnerable to excessive memory consumption when processing maliciously crafted tokens with a large number of `.` characters. An attacker could exploit this by sending numerous malformed tokens, leading to memory exhaustion and a Denial of Service. Version 4.0.5 fixes this issue. As a workaround, applications could pre-validate that payloads passed to Go JOSE do not contain an excessive number of `.` characters.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Go JOSE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Go JOSE是Go JOSE开源的一个 Go 中 JOSE 标准的实现。 Go JOSE 4.x版本至4.0.5之前版本存在安全漏洞，该漏洞源于内存过度消耗。攻击者利用该漏洞可以通过发送恶意令牌导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
go-jose go-jose >= 4.0.0, < 4.0.5 -

II. Public POCs for CVE-2025-27144

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III. Intelligence Information for CVE-2025-27144

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Patches & Fixes for CVE-2025-27144 (1)

Vendor Advisories for CVE-2025-27144 (1)

Vendor Pages for CVE-2025-27144 (1)

IV. Related Vulnerabilities

Same product: go-jose
Same vendor: go-jose
Same weakness: CWE-770

V. Comments for CVE-2025-27144

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