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JLSEC-2026-566 Medium 5.5

In GnuPG before 2.5.17, a long signature packet length causes `parse_signature` to return success...

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JLSEC Published
Modified
Severity
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Packages
GnuPG_jll >= 2.5.16+0, < 2.5.17+0
Upstream
CVE-2026-24883 GHSA-7246-cvp4-g68w EUVD-2026-4770

In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash).

References