OSV-2020-843
Heap-buffer-overflow in uni_utf8_get_char_n
No score
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23513
Crash type: Heap-buffer-overflow READ 1
Crash state:
uni_utf8_get_char_n
smtp_command_parse_parameters
smtp_command_parse_line
What each source reports
OSV No score
Heap-buffer-overflow in uni_utf8_get_char_n
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23513
Crash type: Heap-buffer-overflow READ 1
Crash state:
uni_utf8_get_char_n
smtp_command_parse_parameters
smtp_command_parse_line
- Record
OSV-2020-843- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dovecotOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2020-843 is a vulnerability with no CVSS score yet in dovecot, published July 14, 2020. No source lists public exploit code. No source names a fixed version.