| Name | CVE-2018-20103 |
| Description | An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3034-1 |
| Debian Bugs | 916307 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| haproxy (PTS) | jessie, jessie (lts) | 1.5.8-3+deb8u4 | fixed |
| stretch (security) | 1.7.5-2+deb9u1 | fixed |
| stretch (lts), stretch | 1.7.5-2+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 1.8.19-1+deb10u5 | fixed |
| bullseye (security), bullseye | 2.2.9-2+deb11u6 | fixed |
| bookworm (security), bookworm | 2.6.12-1+deb12u1 | fixed |
| sid, trixie | 2.9.12-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[jessie] - haproxy <not-affected> (Vulnerable code not present)
http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25