CVE-2011-2939
- Source
- https://cve.org/CVERecord?id=CVE-2011-2939
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2011-2939.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2011-2939
- Downstream
- Published
- 2012-01-13T18:55:02Z
- Modified
- 2026-04-10T03:41:56.104639Z
- Summary
- [none]
- 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.
- References
-
- http://secunia.com/advisories/46172
- http://secunia.com/advisories/46989
- http://secunia.com/advisories/51457
- http://secunia.com/advisories/55314
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:008
- http://www.ubuntu.com/usn/USN-1643-1
- http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5
- http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5
- http://www.openwall.com/lists/oss-security/2011/08/19/17
- https://bugzilla.redhat.com/show_bug.cgi?id=731246
- http://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.pod
- http://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_%28CVE-2011-2939%29
- http://www.openwall.com/lists/oss-security/2011/08/18/8
- http://www.redhat.com/support/errata/RHSA-2011-1424.html
- http://www.securityfocus.com/bid/49858