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CVE-2025-68973

Quick assessment

Affected
GnuPG GnuPG
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 2.4.8及之前版本存在安全漏洞，该漏洞源于armor_filter中索引变量增量错误，可能导致越界写入。

CVSS 7.8 · High EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
GnuPG GnuPG < 2.2.51 affected
2.3.0< 2.4.9 affected
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I. Basic Information for CVE-2025-68973

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对资源的重复操作
Source: CVE Program / CVE List V5
Vulnerability Title
GNUPG 安全漏洞
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 2.4.8及之前版本存在安全漏洞，该漏洞源于armor_filter中索引变量增量错误，可能导致越界写入。
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
GnuPG GnuPG 0 ~ 2.2.51 -

II. Public POCs for CVE-2025-68973

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7975 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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POC zip download
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III. Intelligence Information for CVE-2025-68973

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Patches & Fixes for CVE-2025-68973 (1)

Other References for CVE-2025-68973 (5)

IV. Related Vulnerabilities

Same product: GnuPG
Same vendor: GnuPG
Same weakness: CWE-675

V. Comments for CVE-2025-68973

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