Sicherheit: Zwei Probleme in php
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in php
ID: FEDORA-2021-172c8bd11d
Distribution: Fedora
Plattformen: Fedora 33
Datum: Do, 8. Juli 2021, 22:43
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21705
Applikationen: PHP


Fedora Update Notification
2021-07-08 01:07:41.133102

Name : php
Product : Fedora 33
Version : 7.4.21
Release : 1.fc33
URL : http://www.php.net/
Summary : PHP scripting language for creating dynamic web sites
Description :
PHP is an HTML-embedded scripting language. PHP attempts to make it
easy for developers to write dynamically generated web pages. PHP also
offers built-in database integration for several commercial and
non-commercial database management systems, so writing a
database-enabled webpage with PHP is fairly simple. The most common
use of PHP coding is probably as a replacement for CGI scripts.

Update Information:

**PHP version 7.4.21** (01 Jul 2021) **Core:** * Fixed bug php#81068 (Double
free in realpath_cache_clean()). (Dimitry Andric) * Fixed bug php#76359
(open_basedir bypass through adding ".."). (cmb) * Fixed bug php#81090
property performance degradation with .= operator). (Nikita) * Fixed bug
php#81070 (Integer underflow in memory limit comparison). (Peter van Dommelen)
Fixed bug php#81122 (SSRF bypass in FILTER_VALIDATE_URL). (**CVE-2021-21705**)
(cmb) **Bzip2:** * Fixed bug php#81092 (fflush before stream_filter_remove
corrupts stream). (cmb) **OpenSSL:** * Fixed bug php#76694 (native Windows
cert verification uses CN as sever name). (cmb) **PDO_Firebird:** * Fixed bug
php#76448 (Stack buffer overflow in firebird_info_cb). (**CVE-2021-21704**)
(cmb) * Fixed bug php#76449 (SIGSEGV in firebird_handle_doer).
(**CVE-2021-21704**) (cmb) * Fixed bug php#76450 (SIGSEGV in
firebird_stmt_execute). (**CVE-2021-21704**) (cmb) * Fixed bug php#76452 (Crash
while parsing blob data in firebird_fetch_blob). (**CVE-2021-21704**) (cmb)
**Standard:** * Fixed bug php#81048 (phpinfo(INFO_VARIABLES) "Array to
conversion"). (cmb)

* Tue Jun 29 2021 Remi Collet <remi@remirepo.net> - 7.4.21-1
- Update to 7.4.21 - http://www.php.net/releases/7_4_21.php

[ 1 ] Bug #1978755 - CVE-2021-21705 php: SSRF bypass in FILTER_VALIDATE_URL
[ 2 ] Bug #1978790 - CVE-2021-21704 php: security issues in pdo_firebase

This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-172c8bd11d' at the command
line. For more information, refer to the dnf documentation available at

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