CVE-2026-7258

high

Published 2026-05-10 · Modified 2026-06-01

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CVSS v3

7.5

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

CVSS v4 NEW

6.3

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

VIR risk

7.5

Description

Important: php:8.2 security update

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions Red Hat statement Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. CVSS v3: 5.9…

Workaround

for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Description

PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions

Red Hat statement

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS v3: 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 8	`php:8.2-8100020260521052503.f7998665`	RHSA-2026:22305	2026-06-01T00:00:00Z
Red Hat Enterprise Linux 9	`php:8.3-9080020260521113736.9`	RHSA-2026:22142	2026-06-01T00:00:00Z
Red Hat Enterprise Linux 9	`php:8.2-9080020260521080715.9`	RHSA-2026:22143	2026-06-01T00:00:00Z
Red Hat Hardened Images	`php-main-8.5.6-1.hum1`	RHSA-2026:14125	2026-05-06T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 10	`php`	Fix deferred
Red Hat Enterprise Linux 10	`php8.4`	Fix deferred
Red Hat Enterprise Linux 6	`php`	Fix deferred
Red Hat Enterprise Linux 7	`php`	Fix deferred
Red Hat Enterprise Linux 8	`php:7.4/php`	Fix deferred
Red Hat Enterprise Linux 9	`php`	Fix deferred
Red Hat OpenShift AI (RHOAI)	`rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9`	Fix deferred
Red Hat OpenShift Dev Spaces	`devspaces/code-rhel9`	Fix deferred

Apply commands

bash fix

Apply RHSA-2026:22305 for Red Hat Enterprise Linux 8

yum update -y php:8
# or:
dnf upgrade -y php:8

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Windows Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	`apcu-panel-5.1.23-1.module_el9.6.0+151+5f31e576.noarch.rpm`
8	Fixed	`apcu-panel-5.1.23-1.module_el8.10.0+3796+30ed3ef7.noarch.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`8.4.21-1~deb13u1`
sid	Fixed	`8.4.21-1`
forky	Fixed	`8.4.21-1`
bullseye	Fixed	`7.4.33-1+deb11u11`
bookworm	Fixed	`8.2.31-1~deb12u1`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Application impact

Vendor	Product	Versions	Fixed
php	php	`{"startIncluding":"8.2.0","endExcluding":"8.2.21"}`	`8.2.21`

References

CWEs

CWE-125

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.