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redhatcveRedhat.comRH:CVE-2021-21708
HistoryFeb 17, 2022 - 9:21 p.m.

CVE-2021-21708

2022-02-1721:21:43
redhat.com
access.redhat.com
77
php
php_filter_float
use-after-free
file injection
crash
segmentation fault
vulnerability

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.2%

JSON

A flaw was found in PHP. The vulnerability occurs due to the malformed php_filter_float() function and leads to a use-after-free vulnerability. This flaw allows an attacker to inject a malicious file, leading to a crash or a Segmentation fault.

Related

veracode 1
f5 1
nvd 1
fedora 2
cbl_mariner 1
openvas 13
slackware 1
osv 12
altlinux 4
cve 1
ubuntu 1
prion 1
nessus 29
debiancve 1
ubuntucve 1
alpinelinux 1
suse 1
cvelist 1
oraclelinux 3
redhat 3
rocky 3
debian 1
almalinux 3
ibm 1
gentoo 1
redos 1
oracle 2
veracode
veracode
Denial Of Service (DoS)
2022-02-18 16:08:38
f5
f5
K14492558 : PHP vulnerability CVE-2021-21708
2022-03-23 00:00:00
nvd
nvd
CVE-2021-21708
2022-02-27 08:15:06
fedora
fedora
[SECURITY] Fedora 34 Update: php-7.4.28-1.fc34
2022-02-23 16:15:14
[SECURITY] Fedora 35 Update: php-8.0.16-1.fc35
2022-02-22 19:12:07
cbl_mariner
cbl_mariner
CVE-2021-21708 affecting package php 7.4.14-3
2024-10-01 09:12:11
openvas
openvas
Slackware: Security Advisory (SSA:2022-048-02)
2022-04-21 00:00:00
Ubuntu: Security Advisory (USN-5303-1)
2022-03-01 00:00:00
PHP < 7.4.28, 8.0.x < 8.0.16, 8.1.x < 8.1.3 Security Update (Feb 2022) - Linux
2022-02-18 00:00:00
slackware
slackware
[slackware-security] php
2022-02-18 05:43:10
osv
osv
CVE-2021-21708
2022-02-27 08:15:06
php8-8.1.3-1.1 on GA media
2024-06-15 00:00:00
php7.4, php8.0 vulnerability
2022-02-28 12:20:07
altlinux
altlinux
Security fix for the ALT Linux 10 package php8.1 version 8.1.3-alt1
2022-02-28 00:00:00
Security fix for the ALT Linux 10 package php7 version 7.4.28-alt1
2022-03-01 00:00:00
Security fix for the ALT Linux 10 package php8.0 version 8.0.16-alt1
2022-02-28 00:00:00
cve
cve
CVE-2021-21708
2022-02-27 08:15:06
ubuntu
ubuntu
PHP vulnerability
2022-02-28 00:00:00
prion
prion
Memory corruption
2022-02-27 08:15:00
nessus
nessus
Ubuntu 20.04 LTS : PHP vulnerability (USN-5303-1)
2022-02-28 00:00:00
SUSE SLES15 Security Update : php7 (SUSE-SU-2022:0847-1)
2022-03-16 00:00:00
openSUSE 15 Security Update : php7 (openSUSE-SU-2022:0847-1)
2022-03-17 00:00:00
debiancve
debiancve
CVE-2021-21708
2022-02-27 08:15:06
ubuntucve
ubuntucve
CVE-2021-21708
2021-12-31 00:00:00
alpinelinux
alpinelinux
CVE-2021-21708
2022-02-27 08:15:06
suse
suse
Security update for php7 (important)
2022-03-15 00:00:00
cvelist
cvelist
CVE-2021-21708 UAF due to php_filter_float() failing
2022-02-27 08:00:12
oraclelinux
oraclelinux
php security, bug fix, and enhancement update
2022-11-22 00:00:00
php:8.0 security, bug fix, and enhancement update
2022-11-15 00:00:00
php:7.4 security, bug fix, and enhancement update
2022-11-15 00:00:00
redhat
redhat
(RHSA-2022:7624) Moderate: php:8.0 security, bug fix, and enhancement update
2022-11-08 06:24:57
(RHSA-2022:8197) Moderate: php security, bug fix, and enhancement update
2022-11-15 06:18:21
(RHSA-2022:7628) Moderate: php:7.4 security, bug fix, and enhancement update
2022-11-08 06:25:00
rocky
rocky
php security, bug fix, and enhancement update
2022-11-15 06:18:21
php:8.0 security, bug fix, and enhancement update
2022-11-08 06:24:57
php:7.4 security, bug fix, and enhancement update
2022-11-08 06:25:00
debian
debian
[SECURITY] [DSA 5082-1] php7.4 security update
2022-02-18 19:09:20
almalinux
almalinux
Moderate: php:8.0 security, bug fix, and enhancement update
2022-11-08 00:00:00
Moderate: php security, bug fix, and enhancement update
2022-11-15 00:00:00
Moderate: php:7.4 security, bug fix, and enhancement update
2022-11-08 00:00:00
ibm
ibm
Security Bulletin: Vulnerabilities in PHP may affect IBM Spectrum Sentinel Anomaly Scan Engine (CVE-2021-21703, CVE-2021-21708, CVE-2021-21707, CVE-2022-31629, CVE-2022-31628)
2022-12-16 17:01:05
gentoo
gentoo
PHP: Multiple Vulnerabilities
2022-09-29 00:00:00
redos
redos
ROS-20220826-01
2022-08-26 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - January 2023
2023-01-17 00:00:00
Oracle Critical Patch Update Advisory - October 2022
2022-10-18 00:00:00

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.2%

JSON
Related for RH:CVE-2021-21708
veracode1f51nvd1fedora2cbl_mariner1openvas13slackware1osv12altlinux4cve1ubuntu1prion1nessus29debiancve1ubuntucve1alpinelinux1suse1cvelist1oraclelinux3redhat3rocky3debian1almalinux3ibm1gentoo1redos1oracle2