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CVE-2021-21708

Опубликовано: 27 фев. 2022
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS2: 6.8
CVSS3: 8.2

Описание

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

not-affected

code not present
esm-infra/focal

DNE

focal

DNE

impish

DNE

jammy

DNE

trusty

ignored

end of standard support
trusty/esm

not-affected

code not present
upstream

not-affected

code not present

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

esm-infra/xenial

not-affected

code not present
focal

DNE

impish

DNE

jammy

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

not-affected

code not present
devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/bionic

not-affected

code not present
esm-infra/focal

DNE

focal

DNE

impish

DNE

jammy

DNE

trusty

DNE

trusty/esm

DNE

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

not-affected

7.4.3-4ubuntu2.9
focal

released

7.4.3-4ubuntu2.9
impish

DNE

jammy

DNE

trusty

DNE

trusty/esm

DNE

upstream

released

7.4.28

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

impish

released

8.0.8-1ubuntu0.2
jammy

DNE

trusty

DNE

trusty/esm

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

released

8.1.2-1ubuntu1
esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

impish

DNE

jammy

released

8.1.2-1ubuntu1
trusty

DNE

trusty/esm

DNE

upstream

released

8.1.3

Показывать по

EPSS

Процентиль: 51%
0.00279
Низкий

6.8 Medium

CVSS2

8.2 High

CVSS3

Связанные уязвимости

CVSS3: 9.8
redhat
больше 3 лет назад

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.

CVSS3: 8.2
nvd
больше 3 лет назад

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.

CVSS3: 8.2
debian
больше 3 лет назад

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x belo ...

suse-cvrf
больше 3 лет назад

Security update for php7

suse-cvrf
больше 3 лет назад

Security update for php7

EPSS

Процентиль: 51%
0.00279
Низкий

6.8 Medium

CVSS2

8.2 High

CVSS3

Уязвимость CVE-2021-21708