CVE-2020-8449

HIGH

7.5

CVSS Score

Published: February 4, 2020 at 07:50 PM UTC

Updated: June 17, 2026 at 03:26 AM UTC

5 products affected across 5 vendorsDebian LinuxFedoraUbuntu Linux

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Severity

HIGH7.5

Exploit prediction

EPSS 8%

Description

An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux · Canonicalrubygems

95%

16.04 18.04 19.10

Debian Linux · Debiandrupal

95%

10.0 9.0

Fedora · Fedora Projectrpm

95%

30 31

Leap · openSUSEdrupal

95%

15.1

Cache Squid · Squid Cache

95%

v < 4.10

Affected range stops below 4.10, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (15)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html