The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message…
Priority MEDIUM 54Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to Qvsnprintf, which could allow authenticated users to execute arbitrary code via a buffer overflow in a mdef command with a long macro name.
Why it matters now
EPSS 0.08604 95th percentileScored 2026-11-07
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qualcomm:qpopper:4.0.1:*:*:*:*:*:*:* | 4.0.1 | Vulnerable | Qualcomm |
| cpe:2.3:a:qualcomm:qpopper:4.0.2:*:*:*:*:*:*:* | 4.0.2 | Vulnerable | Qualcomm |
| cpe:2.3:a:qualcomm:qpopper:4.0.3:*:*:*:*:*:*:* | 4.0.3 | Vulnerable | Qualcomm |
| cpe:2.3:a:qualcomm:qpopper:4.0.4:*:*:*:*:*:*:* | 4.0.4 | Vulnerable | Qualcomm |
- cpe:2.3:a:qualcomm:qpopper:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Qualcomm
- cpe:2.3:a:qualcomm:qpopper:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·Qualcomm
- cpe:2.3:a:qualcomm:qpopper:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·Qualcomm
- cpe:2.3:a:qualcomm:qpopper:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·Qualcomm
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0143
- 2026-10-03 Alias added: GHSA-frx8-9fr9-73ww
- 2026-10-14 EPSS moved to the 95th–99th percentile
References
More Qualcomm Qpopper vulnerabilities
- TI-1999-00006 Buffer overflow in POP servers based on BSD/Qualcomm's qpopper allows remote attackers to… CVSS 3.1CRITICAL 9.8
- 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-2003-0143 · CVE Program
- CVE-2003-0143 · NVD
- FIRST EPSS
- GHSA-frx8-9fr9-73ww · 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