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TI-1999-00006 Aliases CVE-1999-0006GHSA-q27q-wmh2-4768

Buffer overflow in POP servers based on BSD/Qualcomm's qpopper allows remote attackers to…

Priority MEDIUM 63CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Buffer overflow in POP servers based on BSD/Qualcomm's qpopper allows remote attackers to gain root access using a long PASS command.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.12124 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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:qualcomm:qpopper:2.4:*:*:*:*:*:*:*2.4VulnerableQualcomm
  • cpe:2.3:a:qualcomm:qpopper:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Qualcomm

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-0006
  2. 2026-10-03 Alias added: GHSA-q27q-wmh2-4768

References

—

  • TI-2003-00138 The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message… CVSS 2.0HIGH 10.0
  • TI-1999-00772 Buffer overflow in Qpopper (qpop) 3.0 allows remote root access via AUTH command. CVSS 2.0HIGH 10.0
  • TI-2001-01001 Buffer overflow in qpopper (aka qpop or popper) 4.0 through 4.0.2 allows remote attackers… CVSS 2.0HIGH 10.0
  • TI-2000-00442 Qpopper 2.53 and earlier allows local users to gain privileges via a formatting string in… CVSS 2.0HIGH 7.5
  • TI-2000-00096 Buffer overflow in qpopper 3.0 beta versions allows local users to gain privileges via a long LIST command. CVSS 2.0HIGH 7.2
  • TI-2002-00439 Qpopper (aka in.qpopper or popper) 4.0.3 and earlier allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
See all 13 →

Sources