CVE-2026-24883

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

Affected packages

Git / git.gnupg.org/gpg4win.git

Affected ranges

Type

GIT

Repo

git://git.gnupg.org/gpg4win.git

Events

Introduced

494fe73653aba708306345c11c1350ad259541e3

Fixed

83608d53f6e58de1c593b49d168ac30aa53a4cd6

Database specific

{
    "versions": [
        {
            "introduced": "5.0.0"
        },
        {
            "fixed": "5.0.1"
        }
    ]
}

Affected versions

gpg4win-5.*

gpg4win-5.0.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24883.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "2.5.13"
            },
            {
                "fixed": "2.5.17"
            }
        ]
    }
]