| Name | CVE-2017-9334 |
| Description | An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 863884 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| chicken (PTS) | buster | 4.13.0-1 | fixed |
| bullseye | 5.2.0-2 | fixed |
| trixie, bookworm | 5.3.0-1 | fixed |
| sid | 5.3.0-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| chicken | source | (unstable) | 4.12.0-0.2 | low | | 863884 |
Notes
[stretch] - chicken <no-dsa> (Minor issue)
[jessie] - chicken <no-dsa> (Minor issue)
[wheezy] - chicken <no-dsa> (Minor issue)
Original announcement: http://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.html
Patch: http://lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.html