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TI-2002-02165 Aliases CVE-2002-2253GHSA-r247-3p56-qf3v

Multiple buffer overflows in Cyrus Sieve / libSieve 2.1.2 and earlier allow remote…

Priority MEDIUM 52CWE-119Published · 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
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Multiple buffer overflows in Cyrus Sieve / libSieve 2.1.2 and earlier allow remote attackers to execute arbitrary code via (1) a long header name, (2) a long IMAP flag, or (3) a script that generates a large number of errors that overflow the resulting error string.

Why it matters now

EPSS 0.06569 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged 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:cyrus:libsieve:*:*:*:*:*:*:*:*up to 2.1.2VulnerableCyrus
  • cpe:2.3:a:cyrus:libsieve:*:*:*:*:*:*:*:* Versions up to 2.1.2 Vulnerable ·Cyrus

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-2253
  2. 2026-10-03 Alias added: GHSA-r247-3p56-qf3v

References

Sources