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Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2010-4657

HIGH 7.5 CVSS 3.1

Published: November 13, 2019
Last modified: June 16, 2026
NVD status: Modified
Reported by: secalert@redhat.com
Weakness: CWE-772
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Affected products and versions

PHP — From 5.0.0 (including) to 5.4.4 (excluding)

References

access.redhat.com https://access.redhat.com/security/cve/cve-2010-4657 Third Party Advisory
bugs.launchpad.net https://bugs.launchpad.net/php/%2Bbug/655442 Third Party Advisory
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657 Issue Tracking, Third Party Advisory
security-tracker.debian.org https://security-tracker.debian.org/tracker/CVE-2010-4657 Third Party Advisory
nvd.nist.gov Official NVD record