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ubuntucveUbuntu.comUB:CVE-2021-31807
HistoryMay 28, 2021 - 12:00 a.m.

CVE-2021-31807

2021-05-2800:00:00
ubuntu.com
ubuntu.com
15

CVSS2

4

Attack Vector

NETWORK

Attack 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

CVSS3

6.5

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

EPSS

0.916

Percentile

98.9%

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
ubuntu24.04noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu18.04noarchsquid3< 3.5.27-1ubuntu1.11UNKNOWN
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CVSS2

4

Attack Vector

NETWORK

Attack 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

CVSS3

6.5

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

EPSS

0.916

Percentile

98.9%