Linux · Security advisory · May 10, 2026
RHSA-2026:22649: php8.4 security update
RHSA-2026:22649, released May 10, 2026, fixes 8 CVEs in php8.4 (version 8.4.21-1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
8
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0089
59th percentile
Priority of the 8 CVEs
Patch now 0
Urgent 1
High 7
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| php8.4 | RHEL 10 | 8.4.21-1.el10_2 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-6104 | php8.4: In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL byte is... | 9.1 | 0.0047 | None reported | |
| High | CVE-2026-6722 | php-pecl-xdebug3: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * PHP: PHP:... | 9.8 | 0.0089 | None reported | |
| High | CVE-2026-7262 | apcu-panel: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server | 8.2 | 0.0078 | None reported | |
| High | CVE-2026-7568 | apcu-panel: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server | 8.2 | 0.0046 | None reported | |
| High | CVE-2026-7258 | Out-of-bounds read in urldecode() on NetBSD | 8.2 | 0.0036 | None reported | |
| High | CVE-2026-7263 | php8.4: In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrect... | 8.2 | 0.0035 | None reported | |
| High | CVE-2026-7261 | apcu-panel: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * PHP: PHP:... | 9.8 | 0.0030 | None reported | |
| High | CVE-2026-6735 | XSS within PHP-FPM status endpoint | 8.2 | 0.0019 | None reported |
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