VulnerabilityModified
CVE-2010-4657
PHP5 before 5.4.4 allows passing invalid utf-8 strings via the xmlTextWriterWriteAttribute, which are then misparsed by libxml2.
HIGH 7.5EPSS 1.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.54% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-772
- Affected
- php/php · redhat/enterprise linux · debian/debian linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/cve-2010-4657Third Party Advisory
- https://bugs.launchpad.net/php/%2Bbug/655442Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657Issue Tracking, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2010-4657Third Party Advisory
- https://access.redhat.com/security/cve/cve-2010-4657Third Party Advisory
- https://bugs.launchpad.net/php/%2Bbug/655442Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657Issue Tracking, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2010-4657Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.