HIGH · 7.5

CVE-2010-4657

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.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
PhpPhp>= 5.0.0, < 5.4.4
RedhatEnterprise Linux5.0
DebianDebian Linux8.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2010-4657?

CVE-2010-4657 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2010-4657?

CVE-2010-4657 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2010-4657?

Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Redhat Enterprise Linux, Debian Debian Linux.