CVE-2019-18860
MEDIUM
6.1
CVSS Score
Published: March 20, 2020 at 08:32 PM UTC
Updated: June 17, 2026 at 02:25 AM UTC
4 products affected across 4 vendorsDebian LinuxUbuntu LinuxLeap
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Severity
MEDIUM6.1
Exploit prediction
EPSS 5%
Description
Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%Leap· openSUSEdrupal
95%v < 4.9
Affected range stops below 4.9, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (9)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.htmlx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/squid-cache/squid/pull/504x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/squid-cache/squid/pull/505Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.htmlVendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4356-1/Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4732Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/11/04/7Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/11/05/1CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-74
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