CVE-2009-1391

Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly other products, allows context-dependent attackers to cause a denial of service (hang or crash) via a crafted zlib compressed stream that triggers a heap-based buffer overflow, as exploited in the wild by Trojan.Downloader-71014 in June 2009.

• CWE-189

• http://article.gmane.org/gmane.mail.virus.amavis.user/33635
• http://article.gmane.org/gmane.mail.virus.amavis.user/33638Exploit
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• http://osvdb.org/55041
• http://secunia.com/advisories/35422Vendor Advisory
• http://secunia.com/advisories/35685
• http://secunia.com/advisories/35689
• http://secunia.com/advisories/35876
• http://security.gentoo.org/glsa/glsa-200908-07.xml
• http://thread.gmane.org/gmane.mail.virus.amavis.user/33635
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:157
• http://www.securityfocus.com/bid/35307Exploit, Patch
• http://www.vupen.com/english/advisories/2009/1571Patch, Vendor Advisory
• https://bugs.gentoo.org/show_bug.cgi?id=273141
• https://bugzilla.redhat.com/show_bug.cgi?id=504386Exploit
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51062
• https://usn.ubuntu.com/794-1/
• https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00607.html
• http://article.gmane.org/gmane.mail.virus.amavis.user/33635
• http://article.gmane.org/gmane.mail.virus.amavis.user/33638Exploit
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• http://osvdb.org/55041
• http://secunia.com/advisories/35422Vendor Advisory
• http://secunia.com/advisories/35685
• http://secunia.com/advisories/35689
• http://secunia.com/advisories/35876
• http://security.gentoo.org/glsa/glsa-200908-07.xml
• http://thread.gmane.org/gmane.mail.virus.amavis.user/33635
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:157
• http://www.securityfocus.com/bid/35307Exploit, Patch
• http://www.vupen.com/english/advisories/2009/1571Patch, Vendor Advisory
• https://bugs.gentoo.org/show_bug.cgi?id=273141
• https://bugzilla.redhat.com/show_bug.cgi?id=504386Exploit
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51062
• https://usn.ubuntu.com/794-1/
• https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00607.html

Published

Jun 16, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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