CVE-2025-32989 (GCVE-0-2025-32989)

Vulnerability from cvelistv5 – Published: 2025-07-10 08:05 – Updated: 2025-12-01 22:02
VLAI?
Summary
A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT extension (OID 1.3.6.1.4.1.11129.2.4.2) that contains sensitive data. This issue leads to the exposure of confidential information when GnuTLS verifies certificates from certain websites when the certificate (SCT) is not checked correctly.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
https://access.redhat.com/errata/RHSA-2025:16115 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:16116 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:17181 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:17348 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:17361 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19088 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22529 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-32989 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2359621 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Affected: 0 , < 3.8.10 (semver)
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.8.9-9.el10_0.14 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
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    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:3.8.3-6.el9_6.2 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
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    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:3.8.3-6.el9_6.2 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
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    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:3.7.6-21.el9_2.4 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.2::baseos
    cpe:/a:redhat:rhel_e4s:9.2::appstream
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    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:3.8.3-4.el9_4.4 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/o:redhat:rhel_eus:9.4::baseos
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    Red Hat Red Hat Ceph Storage 7 Unaffected: sha256:6b79ed10423d954d21dd24c9cb1cf507f6e02c2942ace7fa30cf7af2ffaeb631 , < * (rpm)
    cpe:/a:redhat:ceph_storage:7::el9
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    Red Hat Red Hat Discovery 2 Unaffected: sha256:4784c2680572f9d091fcfb8c593d5424c0fcd8ea9cd51d25ddaf2f72abc7da65 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
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    Red Hat Red Hat Insights proxy 1.5 Unaffected: sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea , < * (rpm)
    cpe:/a:redhat:insights_proxy:1.5::el9
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    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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    Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.