Description
Fetchmail 6.2.4 and earlier does not properly allocate memory for long lines, which allows remote attackers to cause a denial of service (crash) via a certain email.
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 | 6.2.5 | — |
| Debian 13 | fetchmail | 6.2.5 | — |
| Debian 12 | fetchmail | 6.2.5 | — |
References
- fetchmail-email-dos(13450) vdb-entry
- IMNX-2003-7+-023-01 vendor-advisory
- 8843 vdb-entry
- MDKSA-2003:101 vendor-advisory
- GLSA-200403-10 vendor-advisory
- TLSA-2003-61 vendor-advisory
- 20040220 LNSA-#2004-0002: Fetchmail 6.2.4 and earlier remote denial of service mailing-list