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Solution
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Workaround
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Thu, 01 Oct 2026 17:30:00 +0000
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|---|---|---|
| Metrics |
ssvc
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Thu, 01 Oct 2026 16:00:00 +0000
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| First Time appeared |
Verdammelt
Verdammelt tnef |
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| Vendors & Products |
Verdammelt
Verdammelt tnef |
Thu, 01 Oct 2026 11:45:00 +0000
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| Description | A flaw was found in tnef. A heap-based buffer overflow can occur in the find_free_number() function when generating numbered backup suffixes for duplicate filenames. When numbered backups are enabled and file overwriting is disabled, an attacker can supply a specially crafted Transport Neutral Encapsulation Format (TNEF) file with an excessive number of colliding attachment filenames, causing the numeric counter to write past the allocated memory buffer. This issue may result in an application crash, leading to a Denial of Service (DoS), or potentially arbitrary code execution. | |
| Title | Tnef: heap buffer overflow in find_free_number() via numbered-backup suffix generation | |
| Weaknesses | CWE-787 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: fedora
Published:
Updated: 2026-10-01T14:58:06.254Z
Reserved: 2026-10-01T09:06:43.923Z
Link: CVE-2026-103680
Updated: 2026-10-01T14:58:02.337Z
Status : Awaiting Analysis
Published: 2026-10-01T12:17:15.810
Modified: 2026-10-01T15:17:28.957
Link: CVE-2026-103680
No data.
OpenCVE Enrichment
Updated: 2026-10-01T15:35:25Z