CVE-2020-8450

HIGH

7.3

CVSS Score

Published: February 4, 2020 at 07:51 PM UTC

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

5 products affected across 5 vendorsDebian LinuxFedoraUbuntu Linux

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Severity

HIGH7.3

Exploit prediction

EPSS 72%

Description

An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.

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

x_refsource_MISCVendor Advisory

Source: [email protected]

http://www.squid-cache.org/Advisories/SQUID-2020_1.txt