CVE-2026-24882 describes a stack-based buffer overflow in GnuPG versions prior to 2.5.17, specifically within the tpm2daemon component when processing PKDECRYPT commands for TPM-backed RSA and ECC keys. This vulnerability, rated 7.8 HIGH, allows a local attacker with low privileges to achieve high confidentiality, integrity, and availability impacts. While no active exploitation, public exploit code, or significant community discussion has been observed, the potential for a complete system compromise exists. Organizations utilizing affected GnuPG and Gpg4win products should prioritize patching to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.5.13, < 2.5.17CPE matchmatch criteria | cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:* | ||
>= 5.0.0, < 5.0.1CPE matchmatch criteria | cpe:2.3:a:gpg4win:gpg4win:*:*:*:*:*:*:*:* | ||
>= 0, < 2.5.17CPE match | cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.