PT-2026-5010 · Gnupg · Gnupg

Openai Security Research · CVE-2026-24882 · Published 2026-01-01 · Updated 2026-06-30

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions GnuPG versions prior to 2.5.17

Description GnuPG is a tool for encrypting data and creating digital signatures. A stack-based buffer overflow exists in the tpm2daemon component when handling the PKDECRYPT command for TPM-backed RSA and ECC keys. This issue could allow for arbitrary code execution. The vulnerability affects systems utilizing TPM-backed RSA/ECC key decryption operations.

Recommendations Upgrade to GnuPG version 2.5.17 or later.

Exploit

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

ALSA-2026:2719

AZL-75266

AZL-76146

CVE-2026-24882

ECHO-CC02-A477-2575

JLSEC-2026-565

OESA-2026-1300

OESA-2026-1301

OESA-2026-1302

OESA-2026-1336

OPENSUSE-SU-2026:10112-1

OPENSUSE-SU-2026:20136-1

RHSA-2026:2719

RHSA-2026:2753

SUSE-SU-2026:0434-1

SUSE-SU-2026:20179-1

SUSE-SU-2026:20195-1

SUSE-SU-2026:20444-1

SUSE-SU-2026:20487-1

Affected Products

Gnupg

References · 66

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24882.json · Exploit
• 🔥 https://dev.gnupg.org/T8045 · Exploit
• https://osv.dev/vulnerability/OESA-2026-1301 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0434-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10112-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24882 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20444-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1302 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2026-24882 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2026-24882 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-24882 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-24882 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-24882 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20136-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1300 · Vendor Advisory