Summary
[2.9.7-21.1]
- Fix CVE-2025-6021 (RHEL-96498)
- Fix CVE-2025-49794 (RHEL-96398)
- Fix CVE-2025-49796 (RHEL-96424)
[2.9.7-21]
- Fix integer overflow (RHEL-74345)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 8 | libxml2 | 0:2.9.7-21.el8_10.1 |
| Oracle Linux · 8 | libxml2-devel | 0:2.9.7-21.el8_10.1 |
| Oracle Linux · 8 | python3-libxml2 | 0:2.9.7-21.el8_10.1 |
Vulnerabilities 3
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Critical 9.1
Libxml: heap use after free (uaf) leads to denial of service (dos)
A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML …
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Critical 9.1
Libxml: type confusion leads to denial of service (dos)
A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of …
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High 7.5
Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
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.