Vulnerability Database

289,689

Total vulnerabilities in the database

CVE-2021-31807

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.

  • Published: Jun 8, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-31807
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:N/I:N/A:P

CWEs:

Software From Fixed in
squid-cache / squid 2.5.stable6 2.5.stable6.x
squid-cache / squid 2.6 2.6.x
squid-cache / squid 2.5.stable9 2.5.stable9.x
squid-cache / squid 2.7-stable3 2.7-stable3.x
squid-cache / squid 2.5.stable4 2.5.stable4.x
squid-cache / squid 2.5.stable7 2.5.stable7.x
squid-cache / squid 2.5.stable14 2.5.stable14.x
squid-cache / squid 2.7-stable4 2.7-stable4.x
squid-cache / squid 2.5.stable2 2.5.stable2.x
squid-cache / squid 2.5.stable5 2.5.stable5.x
squid-cache / squid 2.5.stable12 2.5.stable12.x
squid-cache / squid 2.5.stable13 2.5.stable13.x
squid-cache / squid 2.5.stable11 2.5.stable11.x
squid-cache / squid 2.5.stable3 2.5.stable3.x
squid-cache / squid 2.5.stable8 2.5.stable8.x
squid-cache / squid 2.5.stable10 2.5.stable10.x
squid-cache / squid 2.7-stable2 2.7-stable2.x
squid-cache / squid 2.7-stable5 2.7-stable5.x
squid-cache / squid 2.7-stable6 2.7-stable6.x
squid-cache / squid 2.7-stable7 2.7-stable7.x
squid-cache / squid 2.7-stable8 2.7-stable8.x
squid-cache / squid 2.7-stable9 2.7-stable9.x
squid-cache / squid 5.0 5.0.6
squid-cache / squid 3.0 4.15
squid-cache / squid 2.7 2.7.x
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x