CVE-2025-30258
mediumpriority · track · 19EPSS 0.002 · 9 %ileDEEUFRRUUSEPSS · scored 2026-10-27
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."
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–4.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0600GnuPG: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-03-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in GnuPG ausnutzen, um einen Denial of Service Angriff durchzuführen.
- CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://dev.gnupg.org/T7527cnnvd
- https://dev.gnupg.org/rG48978ccb4e20866472ef18436a32744350a65158cnnvd
- https://lists.gnupg.org/pipermail/gnupg-announce/2025q1/000491.htmlcnnvd
- https://dev.gnupg.org/T7527enisa_euvd
- https://dev.gnupg.org/rG48978ccb4e20866472ef18436a32744350a65158enisa_euvd
- https://lists.gnupg.org/pipermail/gnupg-announce/2025q1/000491.htmlenisa_euvd
- https://dev.gnupg.org/T7527ExploitIssue Trackingnvd
- https://dev.gnupg.org/rG48978ccb4e20866472ef18436a32744350a65158Issue Trackingnvd
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