Description
fetchmail 6.3.0 and other versions before 6.3.2 allows remote attackers to cause a denial of service (crash) via crafted e-mail messages that cause a free of an invalid pointer when fetchmail bounces the message to the originator or local postmaster.
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 | fetchmail | 6.3.2-1 | — |
| Debian 13 | fetchmail | 6.3.2-1 | — |
| Debian 12 | fetchmail | 6.3.2-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | fetchmail | 6.4.21-2.1 | openSUSE-SU-2024:10753-1 |
Advisories 1
- openSUSE-SU-2024:10753-1 fetchmail-6.4.21-2.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- APPLE-SA-2006-08-01 vendor-advisory
- 16365 vdb-entry
- http://developer.berlios.de/project/shownotes.php?release_id=8784
- fetchmail-message-bounce-dos(24265) vdb-entry
- 20060122 fetchmail security announcement fetchmail-SA-2006-01 (CVE-2006-0321) mailing-list
- http://fetchmail.berlios.de/fetchmail-SA-2006-01.txt
- ADV-2006-3101 vdb-entry
- 21253 third-party-advisory
- 18571 third-party-advisory
- SSA:2006-045-01 vendor-advisory
- ADV-2006-0300 vdb-entry
- 19289 vdb-entry
- TA06-214A third-party-advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=348747
- 22691 vdb-entry
- 1015527 vdb-entry
- 18895 third-party-advisory