Is CVE-2026-7259 in the CISA KEV catalog?

No. CVE-2026-7259 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-7259?

CVE-2026-7259 has a CVSS v3 base score of 6.5 (Low).

What is the EPSS score for CVE-2026-7259?

CVE-2026-7259 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7259?

Upgrade php on rocky 10 to 0:8.3.31-1.el10_2 or later. Fixes are available for 103 affected products.

CVE & CISA-KEV Catalog

CVE-2026-7259

LOW

6.5

CVSS v3

NVD

Description

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when user-controlled input can influence the encoding passed to mb_regex_encoding().

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

phpRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

phpRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-bcmathRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-bcmathRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-bcmath-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-bcmath-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-cliRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-cliRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-cli-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-cli-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-commonRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-commonRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-common-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-common-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dbaRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dbaRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dba-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dba-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dbgRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dbgRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dbg-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-dbg-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-debugsourceRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-debugsourceRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-develRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-develRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-embeddedRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-embeddedRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-embedded-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-embedded-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-enchantRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-enchantRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-enchant-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-enchant-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ffiRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ffiRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ffi-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ffi-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-fpmRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-fpmRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-fpm-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-fpm-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gdRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gdRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gd-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gd-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gmpRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gmpRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gmp-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-gmp-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-intlRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-intlRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-intl-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-intl-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ldapRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ldapRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ldap-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-ldap-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mbstringRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mbstringRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mbstring-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mbstring-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mysqlndRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mysqlndRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mysqlnd-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-mysqlnd-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-odbcRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-odbcRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-odbc-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-odbc-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-opcacheRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-opcacheRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-opcache-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-opcache-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pdoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pdoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pdo-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pdo-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pgsqlRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pgsqlRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pgsql-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-pgsql-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-processRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-processRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-process-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-process-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-snmpRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-snmpRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-snmp-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-snmp-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-soapRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-soapRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-soap-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-soap-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-xmlRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-xmlRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-xml-debuginfoRed Hat / RHEL

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php-xml-debuginfoRocky

Fixed in:0:8.3.31-1.el10_2RHSA-2026:23388

Fixed in:0:8.0.30-6.el9_8RHSA-2026:33449

php8.1Ubuntu

Fixed in:8.1.2-1ubuntu2.24USN-8336-1

php8.3Ubuntu

Fixed in:8.3.6-0ubuntu0.24.04.9USN-8336-1

php8.4Ubuntu

Fixed in:8.4.11-1ubuntu1.2USN-8336-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

Embed a live status badge for CVE-2026-7259

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-12.