Multiple directory traversal vulnerabilities in Lintian 1.23.x through 1.23.28, 1.24.x through 1.24.2.1, and 2.x before 2.3.2 allow remote attackers to overwrite arbitrary files or obtain sensitive information via vectors involving (1) control field names, (2) control field values, and (3) control files of patch systems.
git.debian.org/?p=lintian/lintian.git%3Ba=commit%3Bh=c8d01f062b3e5137cf65196760b079a855c75e00
git.debian.org/?p=lintian/lintian.git%3Ba=commit%3Bh=fbe0c92b2ef7e360d13414bf40d6af5507d0c86d
packages.debian.org/changelogs/pool/main/l/lintian/lintian_2.3.2/changelog
packages.qa.debian.org/l/lintian/news/20100128T015554Z.html
secunia.com/advisories/38375
secunia.com/advisories/38379
www.debian.org/security/2010/dsa-1979
www.securityfocus.com/bid/37975
www.ubuntu.com/usn/USN-891-1