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CVE-2026-24883

CVSS 3.7 · Low EPSS 0.01% · P3
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I. Basic Information for CVE-2026-24883

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash).
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
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
GNUPG 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNUPG是美国GNU社区的一套开源的加密软件，采用GNU通用公共许可证。该软件支持公钥、对称加密、散列等算法。 GnuPG 2.5.17之前版本存在代码问题漏洞，该漏洞源于过长的签名包长度可能导致parse_signature返回成功但sig->data[]设置为空值，可能导致拒绝服务。
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

VendorProductAffected VersionsCPESubscribe
GnuPGGnuPG 2.5.3 ~ 2.5.17 -

II. Public POCs for CVE-2026-24883

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III. Intelligence Information for CVE-2026-24883

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Same Patch Batch · GnuPG · 2026-01-27 · 3 CVEs total

CVE-2026-248828.4 HIGHGNUPG 安全漏洞
CVE-2026-248818.1 HIGHGNUPG 安全漏洞

IV. Related Vulnerabilities

Same product: GnuPG
Same vendor: GnuPG
Same weakness: CWE-476

V. Comments for CVE-2026-24883

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