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ghsa-32vr-5hxf-x93f
Vulnerability from github
Published
2025-06-12 15:31
Modified
2025-08-13 09:30
Severity ?
Details
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.
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cve-2025-6021
Vulnerability from cvelistv5
Published
2025-06-12 12:49
Modified
2025-08-13 09:03
Severity ?
EPSS score ?
Summary
Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
References
Impacted products
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"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2372406"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-06-12T07:55:45.428000+00:00",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2025-06-12T00:00:00+00:00",
"value": "Made public."
}
],
"title": "Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2",
"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."
}
],
"x_redhatCweChain": "(CWE-190|CWE-121): Integer Overflow or Wraparound or Stack-based Buffer Overflow"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2025-6021",
"datePublished": "2025-06-12T12:49:16.157Z",
"dateReserved": "2025-06-12T05:52:54.211Z",
"dateUpdated": "2025-08-13T09:03:52.048Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.