CVE-2017-11343

Priority
Description
Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme
up to and including 4.12.0 are vulnerable to an algorithmic complexity
attack. An attacker can provide crafted input which, when inserted into the
symbol table, will result in O(n) lookup time.
Notes
Package
Upstream:released (4.12.0-0.2)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was needed)
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.12.0-0.3)
Ubuntu 20.04 LTS (Focal Fossa):not-affected (4.12.0-0.3)
Ubuntu 20.10 (Groovy Gorilla):not-affected (4.12.0-0.3)
More Information

Updated: 2020-07-28 18:41:22 UTC (commit 7b6828437fde0509248708fcdb5b0f7587b85bd1)