| Name | CVE-2005-0021 |
| Description | Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-635-1, DSA-637-1 |
| Debian Bugs | 290036 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| exim4 (PTS) | jessie, jessie (lts) | 4.84.2-2+deb8u11 | fixed |
| stretch (security) | 4.89-2+deb9u8 | fixed | |
| stretch (lts), stretch | 4.89-2+deb9u11 | fixed | |
| buster | 4.92-8+deb10u6 | fixed | |
| buster (security) | 4.92-8+deb10u9 | fixed | |
| bullseye (security), bullseye | 4.94.2-7+deb11u2 | fixed | |
| bookworm (security), bookworm | 4.96-15+deb12u4 | fixed | |
| trixie | 4.97-5 | fixed | |
| sid | 4.97-8 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| exim | source | woody | 3.35-1woody4 | DSA-635-1 | ||
| exim | source | (unstable) | 3.36-13 | 290036 | ||
| exim-tls | source | woody | 3.35-3woody3 | DSA-637-1 | ||
| exim-tls | source | (unstable) | (unfixed) | |||
| exim4 | source | (unstable) | 4.34-10 |