CVE-2021-46784
MEDIUM
6.5
CVSS Score
Published: July 17, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:15 AM UTC
2 products affected across 2 vendorsDebian LinuxCache Squid
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Severity
MEDIUM6.5
Exploit prediction
EPSS 5%
Description
In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%3.0 ≤ v ≤ 3.5.284.0 ≤ v ≤ 4.175.0 ≤ v < 5.6
Affected range stops below 5.6, 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)
PatchVendor Advisory
Source: [email protected]
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patchPatchThird Party Advisory
Source: [email protected]
https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9MitigationPatchThird Party Advisory
Source: [email protected]
https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284wThird Party Advisory
Source: [email protected]
https://security-tracker.debian.org/tracker/CVE-2021-46784CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-617
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