Vulnerability-Lookup

SUSE-RU-2025:20460-1

Vulnerability from csaf_suse - Published: 2025-07-01 11:27 - Updated: 2026-09-20 12:00

Summary

Recommended update for gpg2

Severity

Moderate

Notes

Title of the patch: Recommended update for gpg2

Description of the patch: This update for gpg2 fixes the following issues: This reverts the CVE-2025-30258 fix, as it changed behaviour when using expired keys.

Patchnames: SUSE-SLE-Micro-6.1-165

CVE-2025-30258

2.7 (Low)


                
                  CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L

Affected products

Recommended 4 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.x86_64	—	Vendor Fix

Threats

Impact low

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://lists.suse.com/pipermail/sle-updates/2025…	self
https://bugzilla.suse.com/1236931	self
https://bugzilla.suse.com/1239119	self
https://www.suse.com/security/cve/CVE-2025-30258/	self
https://www.suse.com/security/cve/CVE-2025-30258	external
https://bugzilla.suse.com/1239817	external

JSON

To clipboard

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  },
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          "text": "https://www.suse.com/security/cve/CVE-2025-30258"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "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.\"",
          "title": "CVE description"
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          "url": "https://bugzilla.suse.com/1239817"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.aarch64",
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        }
      ],
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            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L",
            "version": "3.1"
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            "SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.aarch64",
            "SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.ppc64le",
            "SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.s390x",
            "SUSE Linux Micro 6.1:gpg2-0:2.4.4-slfo.1.1_4.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-07-01T11:27:44Z",
          "details": "low"
        }
      ],
      "title": "CVE-2025-30258"
    }
  ]
}

CVE-2025-30258 (GCVE-0-2025-30258)

Vulnerability from cvelistv5 – Published: 2025-03-19 00:00 – Updated: 2025-03-19 20:49

Summary

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."

Severity

2.7 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-19 20:49 UTC

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://lists.gnupg.org/pipermail/gnupg-announce/…
https://dev.gnupg.org/T7527
https://dev.gnupg.org/rG48978ccb4e20866472ef18436…

Impacted products

1 product

Vendor	Product	Version
GnuPG	GnuPG	Affected: 0 , < 2.5.5 (semver) cpe:2.3:a:gnupg:gnupg::::::::

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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            "other": {
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                "id": "CVE-2025-30258",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-19T20:49:18.249360Z",
                "version": "2.0.3"
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    "cna": {
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          "vendor": "GnuPG",
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              "status": "affected",
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        }
      ],
      "metrics": [
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          "cvssV3_1": {
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-RU-2025:20460-1

CVE-2025-30258 (GCVE-0-2025-30258)

Tags

Sightings

Nomenclature

Related by attack behaviour