cve.bz

CVE-2021-31808

6.5 mediumEPSS 5.3%

Medium (6.5). EPSS 5.3% chance of exploitation in the next 30 days.

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
5.3% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE
CWE-190
Published
Modified
Record from
the NVD, synced

Affected

References

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