CVE-2021-31807

2021-05-2800:00:00

ubuntu.com

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.032 Low

EPSS

Percentile

91.1%

JSON

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An
integer overflow problem allows a remote server to achieve Denial of
Service when delivering responses to HTTP Range requests. The issue trigger
is a header that can be expected to exist in HTTP traffic without any
malicious intent.

Bugs

Notes

Author	Note
mdeslaur	same commit as CVE-2021-31806

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchsquid< 4.10-1ubuntu1.4UNKNOWN
ubuntu20.10noarchsquid< 4.13-1ubuntu2.2UNKNOWN
ubuntu21.04noarchsquid< 4.13-1ubuntu4.1UNKNOWN
ubuntu21.10noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu22.04noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu22.10noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu23.04noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu23.10noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu18.04noarchsquid3< 3.5.27-1ubuntu1.11UNKNOWN
ubuntu16.04noarchsquid3< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	squid	< 4.10-1ubuntu1.4	UNKNOWN
ubuntu	20.10	noarch	squid	< 4.13-1ubuntu2.2	UNKNOWN
ubuntu	21.04	noarch	squid	< 4.13-1ubuntu4.1	UNKNOWN
ubuntu	21.10	noarch	squid	< 4.13-10ubuntu1	UNKNOWN
ubuntu	22.04	noarch	squid	< 4.13-10ubuntu1	UNKNOWN
ubuntu	22.10	noarch	squid	< 4.13-10ubuntu1	UNKNOWN
ubuntu	23.04	noarch	squid	< 4.13-10ubuntu1	UNKNOWN
ubuntu	23.10	noarch	squid	< 4.13-10ubuntu1	UNKNOWN
ubuntu	18.04	noarch	squid3	< 3.5.27-1ubuntu1.11	UNKNOWN
ubuntu	16.04	noarch	squid3	< any	UNKNOWN