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CVE-2010-4657

Date: November 13, 2019

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.

Severity Score

7.5

Related Resources (7)

Url: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657

Url: https://nvd.nist.gov/vuln/detail/CVE-2010-4657

Url: https://security-tracker.debian.org/tracker/CVE-2010-4657

Url: https://access.redhat.com/security/cve/CVE-2010-4657

Url: https://bugs.launchpad.net/php/%2Bbug/655442

Url: https://access.redhat.com/security/cve/cve-2010-4657

Url: https://www.mend.io/vulnerability-database/CVE-2010-4657

Severity Score

7.5

Weakness Type (CWE)

Missing Release of Resource after Effective Lifetime

CWE-772

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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