| Name | CVE-2019-16928 |
| Description | Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command. |
| 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-4536-1 |
Vulnerable and fixed packages
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 |
|---|
| exim4 | source | wheezy | (not affected) | | | |
| exim4 | source | jessie | (not affected) | | | |
| exim4 | source | stretch | (not affected) | | | |
| exim4 | source | buster | 4.92-8+deb10u3 | | DSA-4536-1 | |
| exim4 | source | (unstable) | 4.92.2-3 | | | |
Notes
[stretch] - exim4 <not-affected> (Vulnerable code introduced later)
[jessie] - exim4 <not-affected> (Vulnerable code introduced later)
https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
https://bugs.exim.org/show_bug.cgi?id=2449
https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
[wheezy] - exim4 <not-affected> (Vulnerable code introduced in 4.92)