CVE-2026-43863
Possible ATT&CK Techniques 1AI
T1203 · Exploitation for Client ExecutionGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-43863
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
对函数返回值的检查不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
mutt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mutt是mutt开源的一个从终端发送邮件的命令行电子邮件客户端。 mutt 2.3.2之前版本存在安全漏洞，该漏洞源于crypt-gpgme.c中data_object_to_stream存在无限循环。
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
II. Public POCs for CVE-2026-43863
| # | POC Description | Source Link | Shenlong Link |
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Patch · 1
Same Patch Batch · mutt · 2026-05-04 · 6 CVEs total
| CVE-2026-43862 | 3.7 LOW | mutt 安全漏洞 |
| CVE-2026-43860 | 3.7 LOW | mutt 安全漏洞 |
| CVE-2026-43859 | 3.7 LOW | mutt 安全漏洞 |
| CVE-2026-43861 | 3.7 LOW | mutt 安全漏洞 |
| CVE-2026-43864 | 2.5 LOW | mutt 代码问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-43863
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