Description
Multiple buffer overflows in (1) iso2022jp.c or (2) shiftjis.c for Courier-IMAP before 3.0.0, Courier before 0.45, and SqWebMail before 4.0.0 may allow remote attackers to execute arbitrary code "when Unicode character is out of BMP range."
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | courier | 0.45.1-1 | — |
| Debian 13 | courier | 0.45.1-1 | — |
| Debian 12 | courier | 0.45.1-1 | — |
References
- http://sourceforge.net/project/shownotes.php?release_id=5767
- courier-codeset-converter-bo(15434) vdb-entry
- 11087 third-party-advisory
- 9845 vdb-entry