CVE-2025-30258
low-risk
Published 2025-03-19
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
Do I need to act?
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0.03% 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
2
CVSS 2.7/10
Low
LOCAL
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (3)
12
/ 100
low-risk
Severity
7/34 · Low
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal