Vulnerability Report

CVE-2020-8450

Title: Squid-Cache Squid Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2020-8450.

CWE Category CWE-131
Published Date Feb 04, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 7.3 CVSS v3.1
Exploit Probability (EPSS)
71.79%

Vulnerability Summary

CVE-2020-8450: 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.

Impacted Vendors

S
squid-cache 1
S
squid 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html http://www.squid-cache.org/Advisories/SQUID-2020_1.txt http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/ https://security.gentoo.org/glsa/202003-34 https://security.netapp.com/advisory/ntap-20210304-0002/ https://usn.ubuntu.com/4289-1/ https://www.debian.org/security/2020/dsa-4682 http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html http://www.squid-cache.org/Advisories/SQUID-2020_1.txt http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/ https://security.gentoo.org/glsa/202003-34 https://security.netapp.com/advisory/ntap-20210304-0002/ https://usn.ubuntu.com/4289-1/ https://www.debian.org/security/2020/dsa-4682
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-8450 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Stack

No specific products linked.