Description

PHP5 before 5.4.4 allows passing invalid utf-8 strings via the xmlTextWriterWriteAttribute, which are then misparsed by libxml2. This results in memory leak into the resulting output.

Remediation

References

CVE-2010-4657

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silverstripeCMS Incorrect Authorization Vulnerability (CVE-2021-28661)

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Moodle Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2026-26045)

Piwigo Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2018-7724)

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Severity

High

Classification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Tags

Missing Update Known Vulnerabilities CWE-772 CVE-2010-4657