Summary
It was discovered that libxslt, used by libxml2, incorrectly handled
certain attributes. An attacker could use this issue to cause a crash,
resulting in a denial of service, or possibly execute arbitrary code. This
update adds a fix to libxml2 to mitigate the libxslt vulnerability.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | libxml2 | 2.9.13+dfsg-1ubuntu0.10 |
| Ubuntu · 24.04 LTS 24.04:LTS | libxml2 | 2.9.14+dfsg-1.3ubuntu3.6 |
Vulnerabilities 1
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High 7.8
Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr
A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attr…
References
-
report
https://ubuntu.com/security/CVE-2025-7425