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CVE-2026-48829

Quick assessment

Affected
GNU GNU SASL
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.

GNU SASL是美国GNU社区的一个简单身份验证和安全层 (SASL) 框架和一些常见 SASL 机制的实现。 GNU SASL 2.2.3之前版本存在代码问题漏洞，该漏洞源于DIGEST-MD5中lib/digest-md5/getsubopt.c存在空指针取消引用，可能影响客户端和服务器。

CVSS 7.5 · High EPSS 0.63% · P48

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
GNU GNU SASL < 2.2.3 affected
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I. Basic Information for CVE-2026-48829

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
GNU SASL 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU SASL是美国GNU社区的一个简单身份验证和安全层 (SASL) 框架和一些常见 SASL 机制的实现。 GNU SASL 2.2.3之前版本存在代码问题漏洞，该漏洞源于DIGEST-MD5中lib/digest-md5/getsubopt.c存在空指针取消引用，可能影响客户端和服务器。
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
GNU GNU SASL 0 ~ 2.2.3 -

II. Public POCs for CVE-2026-48829

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III. Intelligence Information for CVE-2026-48829

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Patches & Fixes for CVE-2026-48829 (1)

Mailing List Discussions for CVE-2026-48829 (3)

IV. Related Vulnerabilities

Same product: GNU SASL
Same vendor: GNU
Same weakness: CWE-476

V. Comments for CVE-2026-48829

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