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TI-2009-03423 Aliases CVE-2009-3586GHSA-247h-6fhv-4v2c

Off-by-one error in src/http.c in CoreHTTP 0.5.3.1 and earlier allows remote attackers to…

Priority MEDIUM 42CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.

Summary

Off-by-one error in src/http.c in CoreHTTP 0.5.3.1 and earlier allows remote attackers to cause a denial of service or possibly execute arbitrary code via an HTTP request with a long first line that triggers a buffer overflow. NOTE: this vulnerability reportedly exists because of an incorrect fix for CVE-2007-4060.

Why it matters now

EPSS 0.06394 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:frank_yaul:corehttp:0.5.3.1:*:*:*:*:*:*:*0.5.3.1VulnerableFrank Yaul
  • cpe:2.3:a:frank_yaul:corehttp:0.5.3.1:*:*:*:*:*:*:* Versions 0.5.3.1 Vulnerable ·Frank Yaul

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-3586
  2. 2026-10-03 Alias added: GHSA-247h-6fhv-4v2c

References

  • TI-2007-03928 Multiple buffer overflows in the HttpSprockMake function in http.c in Frank Yaul corehttp… CVSS 2.0HIGH 9.0

Sources