Debian GNU/Linux, Red Hat Desktop, Red Hat Enterprise Linux, Red Hat Fedora, Slackware Linux

ソフト名：Debian GNU/Linux 5.0/6.0, Red Hat Desktop 4.x, Red Hat Enterprise Linux AS 4/ES 4/WS 4/5 (Server)/Desktop 5/Workstation 5/Desktop 6/HPC Node 6/Server 6/Workstation 6, Red Hat Fedora 14, Slackware Linux 8.x/9.0/9.1/10.0/11.0 (libpng 1.2.23以降)

回避策：DSA-2287-1にて対応, RHSA-2011:1103-1, RHSA-2011:1104-1, RHSA-2011:1105-1にて対応, FEDORA-2011-9336にて対応, アップデートにて対応

脆弱性：DoS攻撃, システムアクセス, アプリケーションのクラッシュ, オフバイワンエラー, NULLポインタ参照エラー, バッファオーバーフロー

ソース：

http://www.debian.org/

http://www.redhat.com/rhel/

http://www.redhat.com/rhel/server/

http://www.redhat.com/rhel/desktop/

http://fedoraproject.org/

http://www.slackware.com/

http://www.debian.org/security/2011/dsa-2287

http://rhn.redhat.com/errata/RHSA-2011-1103.html

https://rhn.redhat.com/errata/RHSA-2011-1104.html

http://rhn.redhat.com/errata/RHSA-2011-1105.html

http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html

http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466

http://secunia.com/advisories/45046/

http://secunia.com/advisories/45405/

http://secunia.com/advisories/45445/

http://secunia.com/advisories/45460/

http://secunia.com/advisories/45461/

http://secunia.com/advisories/45486/

http://secunia.com/advisories/45492/

http://dvw-j.blogspot.com/2011/06/libpng.html

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2501

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2690

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2691

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2692

CVE：CVE-2011-2501, CVE-2011-2690, CVE-2011-2691, CVE-2011-2692

危険性：Medium Risk