Unrated severityNVD Advisory· Published Jan 27, 2026· Updated Jan 27, 2026
CVE-2026-24881
CVE-2026-24881
Description
In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that could lead to remote code execution.
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Affected products
3Patches
Vulnerability mechanics
References
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