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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-0006
- 2026-10-03 Alias added: GHSA-q27q-wmh2-4768
References
—
More Qualcomm Qpopper vulnerabilities
- 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
Sources
- CVE-1999-0006 · CVE Program
- CVE-1999-0006 · NVD
- FIRST EPSS
- GHSA-q27q-wmh2-4768 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences