{"id":"CVE-2008-3196","aliases":["DEBIAN-CVE-2008-3196","EUVD-2008-3186","GHSA-8x9m-rr2c-2g59"],"status":"published","title":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side,...","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01449,"percentile":0.73522,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2008-07-16T18:00:00Z","modified":"2026-10-23T17:47:32Z","fixes":[{"ecosystem":"Debian:12","package":"byacc","fixed_in":["20070509-1.1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"byacc","fixed_in":["20070509-1.1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"byacc","fixed_in":["20070509-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"byacc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20070509-1.1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"byacc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20070509-1.1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"byacc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20070509-1.1"}]}]}],"products":[{"vendor":"yacc","product":"yacc"}],"references":[{"url":"http://marc.info/?l=openbsd-cvs\u0026m=121553036432044\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://secunia.com/advisories/31073","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://marc.info/?l=openbsd-cvs\u0026m=121553004431393\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2008/2151/references","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3196"},{"url":"https://github.com/advisories/GHSA-8x9m-rr2c-2g59"},{"url":"https://security-tracker.debian.org/tracker/CVE-2008-3196","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2008-3196","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","status":"published","published":"2008-07-16T18:00:00Z","modified":"2024-08-07T09:28:41.608Z","updated_at":"2026-11-02T14:34:45.504702Z"}],"euvd":[{"id":"EUVD-2008-3186","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","status":"published","published":"2008-07-16T18:00:00Z","modified":"2024-08-07T09:28:41Z","updated_at":"2026-11-03T01:38:53.185771Z"}],"ghsa":[{"id":"GHSA-8x9m-rr2c-2g59","title":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side,...","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","status":"published","published":"2022-05-01T23:57:31Z","modified":"2023-01-31T05:06:46Z","updated_at":"2026-11-02T14:49:05.423172Z"}],"nvd":[{"id":"CVE-2008-3196","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","status":"published","published":"2008-07-16T18:41:00Z","modified":"2026-06-16T22:55:20.407Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:27.025121Z"}],"osv":[{"id":"CVE-2008-3196","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","status":"published","published":"2008-07-16T18:41:00Z","modified":"2026-04-10T03:40:00.318916Z","updated_at":"2026-11-02T15:43:57.178433Z"},{"id":"DEBIAN-CVE-2008-3196","description":"skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.","status":"published","published":"2008-07-16T18:41:00Z","modified":"2026-10-23T17:47:32.160504313Z","updated_at":"2026-11-02T15:45:23.742363Z"}]}}