CVE-2021-31807

medium · 6.5

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.

6.5

CVSS

16.0%

EPSS (exploit prob.)

97th

EPSS percentile

2021-06-08

Published

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

Weaknesses

CWE-190

Affected products

Vendor	Product	Affected versions
squid-cache	squid	>= 3.0, < 4.15
squid-cache	squid	>= 5.0, < 5.0.6
squid-cache	squid	2.5.stable2
squid-cache	squid	2.5.stable3
squid-cache	squid	2.5.stable4
squid-cache	squid	2.5.stable5
squid-cache	squid	2.5.stable6
squid-cache	squid	2.5.stable7
squid-cache	squid	2.5.stable8
squid-cache	squid	2.5.stable9
squid-cache	squid	2.5.stable10
squid-cache	squid	2.5.stable11
squid-cache	squid	2.5.stable12
squid-cache	squid	2.5.stable13
squid-cache	squid	2.5.stable14
squid-cache	squid	2.6
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
squid-cache	squid	2.7
fedoraproject	fedora	33
fedoraproject	fedora	34
netapp	cloud_manager	all versions

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-31807