Gnupg CVE-2026-24882
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionNVD
In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.
AnalysisAI
Stack-based buffer overflow in GnuPG's tpm2daemon component allows local attackers to achieve full system compromise through specially crafted PKDECRYPT commands targeting TPM-backed RSA and ECC keys. Public exploit code exists for this vulnerability, which affects GnuPG versions before 2.5.17 and impacts users of GnuPG, Gpg4win, and Stack Overflow integrations. …
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RemediationAI
Within 24 hours: Inventory all systems running GnuPG versions before 2.5.17, particularly those with TPM-backed RSA/ECC keys in use; disable TPM2 daemon if not operationally critical. Within 7 days: Implement network segmentation to restrict access to affected systems; conduct threat hunting for signs of exploitation. …
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