CVE-2026-24883

low-risk
Published 2026-01-27

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).

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.7/10 Low
NETWORK / HIGH complexity

Affected Products (2)

Gpg4Win

Affected Vendors

20
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 7/34 · Low