CVE-2009-2622: n/a vulnerability

CVE-2009-2622: Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of servic...

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malformed requests including (1) "missing or mismatched protocol identifier," (2) missing or negative status value," (3) "missing version," or (4) "missing or invalid status number," related to (a) HttpMsg.cc and (b) HttpReply.cc.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 05:59 UTC (UTC+00:00)

Security readout for executives and security teams

This is an older Squid proxy denial-of-service issue. Malformed requests could cause affected Squid 3.0 and early 3.1 releases to fail, disrupting web proxy availability rather than directly exposing data. Exposure is most likely in legacy environments still running affected Squid 3.0 or 3.1 preview builds. Internet-facing proxies, shared corporate proxies, and security gateways depending on Squid availability have the highest operational concern. Treat as a legacy availability risk. Prioritize remediation if Squid is still used in critical browsing, filtering, or gateway paths, especially where exposed beyond tightly controlled networks. Mitigation focus: Inventory Squid versions across proxy and gateway systems.; Check Squid advisory SQUID-2009_2 and vendor advisories for supported fixed packages.; Apply vendor-supported Squid updates or the referenced upstream patch where appropriate..

Prepared: Jun 28, 2026, 10:26 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 28, 2009, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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