| Name | CVE-2009-2473 |
| Description | neon before 0.28.6, when expat is used, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| neon27 (PTS) | buster | 0.30.2-3 | fixed |
| bullseye | 0.31.2-1 | fixed |
| bookworm | 0.32.5-1 | fixed |
| sid, trixie | 0.33.0-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| neon | source | etch | (not affected) | | | |
| neon | source | (unstable) | (unfixed) | | | |
| neon26 | source | (unstable) | (not affected) | | | |
| neon27 | source | (unstable) | (not affected) | | | |
Notes
- neon27 <not-affected> (neon27 is compiled to use libxml2 instead of expat)
- neon26 <not-affected> (neon26 is compiled to use libxml2 instead of expat)
[etch] - neon <not-affected> (neon is compiled to use libxml2 instead of expat)