CVE-2025-6021 (GCVE-0-2025-6021)
Vulnerability from cvelistv5
Published
2025-06-12 12:49
Modified
2025-08-14 09:07
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Summary
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.12.5-7.el10_0   < *
    cpe:/o:redhat:enterprise_linux:10.0
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.9.1-6.el7_9.10   < *
    cpe:/o:redhat:rhel_els:7
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.7-21.el8_10.1   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.7-21.el8_10.1   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:2.9.7-9.el8_2.3   < *
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/o:redhat:rhel_aus:8.2::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:2.9.7-9.el8_4.6   < *
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:2.9.7-9.el8_4.6   < *
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.9.7-13.el8_6.10   < *
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:2.9.7-13.el8_6.10   < *
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:2.9.7-13.el8_6.10   < *
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.9.7-16.el8_8.9   < *
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.9.7-16.el8_8.9   < *
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.9.13-10.el9_6   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.9.13-10.el9_6   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.9.13-1.el9_0.5   < *
    cpe:/a:redhat:rhel_e4s:9.0::appstream
    cpe:/o:redhat:rhel_e4s:9.0::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.9.13-3.el9_2.7   < *
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.9.13-10.el9_4   < *
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
 Create a notification for this product.
   Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202508041909-0   < *
    cpe:/a:redhat:openshift:4.14::el8
    cpe:/a:redhat:openshift:4.14::el9
 Create a notification for this product.
   Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202508050040-0   < *
    cpe:/a:redhat:openshift:4.16::el9
 Create a notification for this product.
   Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202508060022-0   < *
    cpe:/a:redhat:openshift:4.18::el9
 Create a notification for this product.
   Red Hat Red Hat Discovery 2 Unaffected: sha256:ad07f55ee75fb20310c88f154a04665bd8465d138d66c665c300f61447858344   < *
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
   Red Hat Red Hat Insights proxy 1.5 Unaffected: sha256:e54a5a5f9d69dd6a03e2bcd845e2202910a188d266d4a79b12c387ceffc36f2d   < *
    cpe:/a:redhat:insights_proxy:1.5::el9
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat JBoss Core Services     cpe:/a:redhat:jboss_core_services:1
 Create a notification for this product.
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\"RHSA-2025:13335\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:13336\", \"name\": \"RHSA-2025:13336\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2025-6021\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2372406\", \"name\": \"RHBZ#2372406\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Users are strongly advised to apply vendor-supplied patches as soon as they become available to address the underlying integer overflow flaw in the affected code.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in libxml2\u0027s xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-121\", \"description\": \"Stack-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-08-13T09:03:52.048Z\"}, \"x_redhatCweChain\": \"(CWE-190|CWE-121): Integer Overflow or Wraparound or Stack-based Buffer Overflow\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-6021\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-13T09:03:52.048Z\", \"dateReserved\": \"2025-06-12T05:52:54.211Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-06-12T12:49:16.157Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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