Vulnerability in Php
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.
EPSS: 0.015 (72.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Php
- Php5 — versions before 5.4.4
- Debian Debian_linux — versions 8.0
- Redhat Enterprise_linux — versions 5.0, 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2010-4657?
- CVE-2010-4657 is a high-severity vulnerability in Php, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2019-11-13.
- How severe is CVE-2010-4657?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2010-4657 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.