sgml-tools (aka sgmltools) before 1.0.9-15 creates temporary files with insecure permissions, which allows other users to read files that are being processed by sgml-tools.
distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000390
marc.info/?l=bugtraq&m=98477491130367&w=2
www.debian.org/security/2001/dsa-038
www.linux-mandrake.com/en/security/2001/MDKSA-2001-030.php3
www.novell.com/linux/security/advisories/2001_016_sgmltool_txt.html
www.redhat.com/support/errata/RHSA-2001-027.html
www.securityfocus.com/bid/2506
www.securityfocus.com/bid/2683
exchange.xforce.ibmcloud.com/vulnerabilities/6201