Vulnerability-Lookup

OPENSUSE-SU-2026:10695-1

Vulnerability from csaf_opensuse - Published: 2026-05-05 00:00 - Updated: 2026-09-17 17:03

Summary

mutt-2.3.2-1.1 on GA media

Severity

Moderate

Notes

Title of the patch: mutt-2.3.2-1.1 on GA media

Description of the patch: These are all security issues fixed in the mutt-2.3.2-1.1 package on the GA media of openSUSE Tumbleweed.

Patchnames: openSUSE-Tumbleweed-2026-10695

CVE-2026-43859

4.8 (Medium)


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

Affected products

Recommended 12 products

Product	Version	Remediation
Unresolved product id: openSUSE Tumbleweed:mutt-0:2.3.2-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-0:2.3.2-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-0:2.3.2-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-0:2.3.2-1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-doc-0:2.3.2-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-doc-0:2.3.2-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-doc-0:2.3.2-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-doc-0:2.3.2-1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-lang-0:2.3.2-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-lang-0:2.3.2-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-lang-0:2.3.2-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:mutt-lang-0:2.3.2-1.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-43861

5.3 (Medium)


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

Affected products

Recommended 12 products, the same list as for CVE-2026-43859

Threats

Impact moderate

CVE-2026-43862

4.8 (Medium)


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

Affected products

Recommended 12 products, the same list as for CVE-2026-43859

Threats

Impact moderate

CVE-2026-43863

3.3 (Low)


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

Affected products

Recommended 12 products, the same list as for CVE-2026-43859

Threats

Impact low

References

14 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://www.suse.com/security/cve/CVE-2026-43859/	self
https://www.suse.com/security/cve/CVE-2026-43861/	self
https://www.suse.com/security/cve/CVE-2026-43862/	self
https://www.suse.com/security/cve/CVE-2026-43863/	self
https://www.suse.com/security/cve/CVE-2026-43859	external
https://bugzilla.suse.com/1263897	external
https://www.suse.com/security/cve/CVE-2026-43861	external
https://bugzilla.suse.com/1263895	external
https://www.suse.com/security/cve/CVE-2026-43862	external
https://bugzilla.suse.com/1263894	external
https://www.suse.com/security/cve/CVE-2026-43863	external
https://bugzilla.suse.com/1263893	external

JSON

To clipboard

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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-43859",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-43859"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.",
          "title": "CVE description"
        }
      ],
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}

CVE-2026-43859 (GCVE-0-2026-43859)

Vulnerability from cvelistv5 – Published: 2026-05-04 05:41 – Updated: 2026-05-04 18:20

Summary

mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.

Severity

3.7 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 12:49 UTC

CWE

CWE-158 - Improper Neutralization of Null Byte or NUL Character

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/muttmua/mutt/commit/834c5a2ed0…

Impacted products

1 product

Vendor	Product	Version
mutt	mutt	Affected: 0 , < 2.3.2 (semver) cpe:2.3:a:mutt:mutt::::::::

Show details on NVD website

JSON

To clipboard

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                "timestamp": "2026-05-04T12:49:36.673979Z",
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CVE-2026-43861 (GCVE-0-2026-43861)

Vulnerability from cvelistv5 – Published: 2026-05-04 05:52 – Updated: 2026-05-04 18:20

Summary

mutt before 2.3.2 does not check for '\0' in url_pct_decode.

Severity

3.7 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 12:45 UTC

CWE

CWE-158 - Improper Neutralization of Null Byte or NUL Character

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/muttmua/mutt/commit/12f54fe3b6…

Impacted products

1 product

Vendor	Product	Version
mutt	mutt	Affected: 0 , < 2.3.2 (semver) cpe:2.3:a:mutt:mutt::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2026-43862 (GCVE-0-2026-43862)

Vulnerability from cvelistv5 – Published: 2026-05-04 06:00 – Updated: 2026-05-04 18:21

Summary

In mutt before 2.3.2, the imap_auth_gss security level is mishandled.

Severity

3.7 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 13:46 UTC

CWE

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/muttmua/mutt/commit/f547a849cd…

Impacted products

1 product

Vendor	Product	Version
mutt	mutt	Affected: 0 , < 2.3.2 (semver) cpe:2.3:a:mutt:mutt::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2026-43863 (GCVE-0-2026-43863)

Vulnerability from cvelistv5 – Published: 2026-05-04 06:05 – Updated: 2026-05-04 18:25

Summary

mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c.

Severity

3.7 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 13:47 UTC

CWE

CWE-253 - Incorrect Check of Function Return Value

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/muttmua/mutt/commit/fdc04a1717…

Impacted products

1 product

Vendor	Product	Version
mutt	mutt	Affected: 0 , < 2.3.2 (semver) cpe:2.3:a:mutt:mutt::::::::

Show details on NVD website

JSON

To clipboard

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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

OPENSUSE-SU-2026:10695-1

CVE-2026-43859 (GCVE-0-2026-43859)

CVE-2026-43861 (GCVE-0-2026-43861)

CVE-2026-43862 (GCVE-0-2026-43862)

CVE-2026-43863 (GCVE-0-2026-43863)

Tags

Sightings

Nomenclature

Related by attack behaviour