{"id":"CVE-2011-0188","aliases":["DLA-235-1","DLA-88-1","EUVD-2011-0214","GHSA-6vch-6cgr-x9c3","RHSA-2011:0908","RHSA-2011:0909","RHSA-2011:0910","RHSA-2026:7305","RHSA-2026:7307","RHSA-2026:8838"],"status":"published","title":"The VpMemAlloc function in bigdecimal.c in the BigDecimal class in Ruby 1.9.2-p136 and earlier,...","description":"The VpMemAlloc function in bigdecimal.c in the BigDecimal class in Ruby 1.9.2-p136 and earlier, as used on Apple Mac OS X before 10.6.7 and other platforms, does not properly allocate memory, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving creation of a large BigDecimal value within a 64-bit process, related to an \"integer truncation issue.\"","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03025,"percentile":0.87554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2011-03-23T01:00:00Z","modified":"2026-10-06T10:31:19Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"ruby1.9.1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2.0-2+deb6u4"}]}],"versions":["1.9.2.0-2","1.9.2.0-2+armhf"],"bundled":6},{"source":"osv","ecosystem":"Debian:6.0","package":"ruby1.8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.7.302-2squeeze3"}]}],"versions":["1.8.7.302-2","1.8.7.302-2squeeze1","1.8.7.302-2squeeze2"],"bundled":6},{"source":"osv","ecosystem":"Red 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