CVE-2010-4657

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.57% Top 20%
Third-Party Advisory redhat.com Third-Party Advisory launchpad.net Third-Party Advisory redhat.com Third-Party Advisory debian.org
Affected: php5 php5
Published at:
Updated at:

References

Link Tags
https://security-tracker.debian.org/tracker/CVE-2010-4657 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657 third party advisory issue tracking
https://access.redhat.com/security/cve/cve-2010-4657 third party advisory
https://bugs.launchpad.net/php/%2Bbug/655442 third party advisory

Frequently Asked Questions

What is the severity of CVE-2010-4657?
CVE-2010-4657 has been scored as a high severity vulnerability.
How to fix CVE-2010-4657?
To fix CVE-2010-4657, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-4657 being actively exploited in the wild?
It is possible that CVE-2010-4657 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2010-4657?
CVE-2010-4657 affects php5 php5.
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