{"id":"CVE-2011-2939","details":"Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.","modified":"2025-08-09T19:01:26Z","published":"2012-01-13T18:55:02Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/46172"},{"type":"ADVISORY","url":"http://secunia.com/advisories/46989"},{"type":"ADVISORY","url":"http://secunia.com/advisories/51457"},{"type":"ADVISORY","url":"http://secunia.com/advisories/55314"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:008"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1643-1"},{"type":"FIX","url":"http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2011/08/19/17"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=731246"},{"type":"WEB","url":"http://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.pod"},{"type":"WEB","url":"http://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_%28CVE-2011-2939%29"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/08/18/8"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2011-1424.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/49858"}],"schema_version":"1.7.3"}