Fedora 44 : php (2026-6131a972fe)

critical Nessus Plugin ID 331525

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6131a972fe advisory.

**PHP version 8.5.9** (30 Jul 2026)

**Core:**

* Fixed bug [GH-22290](https://github.com/php/php-src/issues/22290) (AST pretty printing does not correctly handle strings containing NUL). (iliaal)
* Fixed bug [GH-22206](https://github.com/php/php-src/issues/22206) (missing return in global register detection). (P3p111n0)
* Lock unmodified readonly properties for modification after clone-with. (NickSdot)

**BCMath:**

* Fixed [GHSA-x692-q9x7-8c3f](https://github.com/php/php-src/security/advisories/GHSA-x692-q9x7-8c3f) (Out-of-bounds write in bccomp()). (**CVE-2026-17544**) (Recep Asan)

**Calendar:**

* Fixed bug [GH-22602](https://github.com/php/php-src/issues/22602) (gregoriantojd() and juliantojd() integer overflow with INT_MAX year). (arshidkv12)

**Date:**

* Update timelib to 2022.17. (Derick)
* Fixed bug [GH-19803](https://github.com/php/php-src/issues/19803) (Parsing a string with a single white space does create an error). (Derick)
* Fixed Unix timestamps in February of the year 0 are misparsed with @-notation. (LukasGelbmann)
* Fixed bug [GH-11310](https://github.com/php/php-src/issues/11310) (__debugInfo does nothing on userland classes extending Date classes). (Derick)

**DBA:**

* Fixed OOB read on malformed length field in dba flatfile handler. (alhudz)

**DOM:**

* Fixed bug [GH-22570](https://github.com/php/php-src/issues/22570) (Stack overflow when serializing a deeply nested Dom\XMLDocument). (iliaal)
* Fixed getElementsByClassName() item() returning the wrong element on random access. (David Carlier)

**Exif:**

* Fixed bug [GH-11020](https://github.com/php/php-src/issues/11020) (exif_read_data() emits a spurious Illegal IFD size warning when an IFD is not followed by a next-IFD offset). (Eyp Can Akman)


**Hash:**

* Fixed bug [GH-18173](https://github.com/php/php-src/issues/18173) (ext/hash relies on implementation- defined malloc alignment). (iliaal)

**ODBC:**

* Fixed bug [GH-22668](https://github.com/php/php-src/issues/22668) (Heap buffer over-read when a column value exceeds the driver-reported display size). (iliaal)

**Opcache:**

* Fixed bug [GH-22158](https://github.com/php/php-src/issues/22158) (Tracing JIT dispatches the observer begin handler through the wrong run_time_cache slot on megamorphic calls). (ptondereau, iliaal)
* Fixed bug [GH-22443](https://github.com/php/php-src/issues/22443) (Tracing JIT SIGSEGV on megamorphic dynamic calls from an undereferenced run_time_cache map_ptr offset). (iliaal)
* Fixed bug [GH-21770](https://github.com/php/php-src/issues/21770) (Infinite recursion in property hook getter in opcache preloaded trait). (iliaal)

**OpenSSL:**

* Fixed timeout for supplemental read at end of a blocking stream in SSL stream wrapper. (ilutov)

**Intl:**

* Fixed Locale::lookup() and locale_lookup() to return NULL instead of the fallback locale when a language tag cannot be canonicalized. (Weilin Du)
* Fixed memory leaks when calling Collator::__construct() or Spoofchecker::__construct() twice. (Weilin Du)
* Fixed memory leak when calling IntlListFormatter::__construct() twice. (Weilin Du)
* Fixed IntlChar methods leaving stale global error state after successful calls. (Xuyang Zhang)

**PDO_ODBC:**

* Fixed bug [GH-20726](https://github.com/php/php-src/issues/20726) (Crash with ODBC connection pooling when the DSN carries no credentials). (iliaal)
* Fixed bug [GH-22667](https://github.com/php/php-src/issues/22667) (Heap buffer over-read when a column value exceeds the driver-reported display size). (iliaal)
* Fixed bug [GH-22666](https://github.com/php/php-src/issues/22666) (Heap buffer overflow when an output parameter value is longer than the declared maxlen). (iliaal)
* Fixed bug [GH-22665](https://github.com/php/php-src/issues/22665) (Out-of-bounds write when the ODBC driver reports a diagnostic message length beyond the error buffer). (iliaal)

**PGSQL:**

* Fixed [GHSA-7qpv-r5mr-78m4](https://github.com/php/php-src/security/advisories/GHSA-7qpv-r5mr-78m4) (SQL injection via E'...' backslash breakout). (**CVE-2026-17543**) (ilutov)

**Phar:**

* Fixed inconsistent handling of the magic .phar directory. Paths such as /.phar remain protected, while non-magic paths that merely start with .phar are handled consistently across file and directory creation, copying, ArrayAccess, stream lookup, directory iteration and extraction. (Weilin Du)
* Fixed [GHSA-vc5h-9ppw-p5f3](https://github.com/php/php-src/security/advisories/GHSA-vc5h-9ppw-p5f3) (Crash via recursive symlinks). (**CVE-2026-7260**) (Jakub Zelenka)

**PHPDBG:**

* Fixed bug [GH-17387](https://github.com/php/php-src/issues/17387) (Trivial crash in phpdbg lexer).
(iliaal)
* Fixed fleaked lowercased lookup keys in phpdbg_resolve_opline_break. (jorgsowa)
* Fixed off-by-one in phpdbg_safe_class_lookup() causing class lookups to always fail during phpdbg's signal-safe interruption path. (jorgsowa)

**Reflection:**

* Fixed bug [GH-22324](https://github.com/php/php-src/issues/22324) (Ignore leading namespace separator in ReflectionParameter::__construct()). (jorgsowa)
* Fixed bug [GH-22441](https://github.com/php/php-src/issues/22441) (ReflectionClass::hasProperty() and getProperty() ignore dynamic properties shadowing a private parent property). (iliaal)
* Fixed bug [GH-22658](https://github.com/php/php-src/issues/22658) (ReflectionConstant::__toString() with a string value with null bytes truncates output). (DanielEScherzer)
* Fixed bug [GH-22683](https://github.com/php/php-src/issues/22683) (Reflection(Class)Constant::__toString() should not warn on NAN conversions). (Khaled Alam)
* Fixed bug [GH-22681](https://github.com/php/php-src/issues/22681) (Reflection*::__toString() truncates on null bytes). (DanielEScherzer)

**Session:**

* Fixed bug [GH-21314](https://github.com/php/php-src/issues/21314) (Different session garbage collector behavior between PHP 8.3 and PHP 8.5). (jorgsowa)

**SPL:**

* Fix class_parents for classes with leading slash in non-autoload mode. (jorgsowa)
* Ignore leading back-slash in class_parents(), class_implements(), and class_uses(). (jorgsowa)
* Fixed bug [GH-16217](https://github.com/php/php-src/issues/16217) (SplFileObject::fputcsv() on an uninitialized object segfaults). (iliaal)

**Standard:**

* Fixed bug [GH-22395](https://github.com/php/php-src/issues/22395) (base_convert() outputs at most 64 characters). (Weilin Du)
* Fixed bug [GH-22678](https://github.com/php/php-src/issues/22678) (Use-after-free in array_multisort() when the comparator mutates the array being sorted). (azchin, iliaal)

**URI:**

* Fixed behavior of Uri\WhatWg\Url wither methods with regards to empty opaque hosts. (kocsismate)
* Fixed bug [GH-22628](https://github.com/php/php-src/issues/22628) (Percent-encoding of caret in WHATWG URL paths is not performed). (kocsismate)
* Fixed bug [GH-22629](https://github.com/php/php-src/issues/22629) (WHATWG Validation error incorrect with empty host and non-empty userinfo). (kocsismate)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected php package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-6131a972fe

Plugin Details

Severity: Critical

ID: 331525

File Name: fedora_2026-6131a972fe.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/31/2026

Updated: 7/31/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.13

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-17543

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-7260

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-17544

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:44, p-cpe:/a:fedoraproject:fedora:php

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/28/2026

Vulnerability Publication Date: 7/28/2026

Reference Information

CVE: CVE-2026-17543, CVE-2026-17544, CVE-2026-7260