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…

Description

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.

Scores

EPSS (exploitation in 30 days)

8.6% · top 4.9% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• GLSA-200303-12 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 7058 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• SuSE-SA:2003:018 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 20030310 QPopper 4.0.x buffer overflow vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20030314 [OpenPKG-SA-2003.018] OpenPKG Security Advisory (qpopper) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• DSA-259 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• qpopper-popmsg-macroname-bo(11516) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 20030312 Re: QPopper 4.0.x buffer overflow vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2003-0143](https://trackcve.app/badge/CVE-2003-0143.svg)](https://trackcve.app/cve/CVE-2003-0143)

Record last updated 8 Aug 2024, 01:43 UTC.