GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bitchainfree (called from dwgencodeMTEXT and dwgencodeadd_object).
{ "vanir_signatures": [ { "digest": { "length": 440.0, "function_hash": "117940919438387030657313444888900934789" }, "target": { "function": "_private", "file": "src/encode.c" }, "signature_version": "v1", "signature_type": "Function", "id": "CVE-2021-36080-411c8eff", "source": "https://github.com/libredwg/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342", "deprecated": false }, { "digest": { "length": 480.0, "function_hash": "222482997438391403955362237316737849451" }, "target": { "function": "token", "file": "src/encode.c" }, "signature_version": "v1", "signature_type": "Function", "id": "CVE-2021-36080-7d2cda6e", "source": "https://github.com/libredwg/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342", "deprecated": false }, { "digest": { "length": 480.0, "function_hash": "56926433449165778975677005811349847944" }, "target": { "function": "token", "file": "src/encode.c" }, "signature_version": "v1", "signature_type": "Function", "id": "CVE-2021-36080-d6311943", "source": "https://github.com/libredwg/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342", "deprecated": false }, { "digest": { "line_hashes": [ "288712488893903512223280823526857305454", "85455761272098550183880599787532100014", "183069802358250971376645517424090144774", "47284913634765236378214009821009347064", "2340223854611400523904418016634482337", "56912377388653730600853018597790924986", "89014135500226548444945712381399167817", "287660253048912785076616423617966800388", "69451097223397141196608426186242963027", "62910346436502076506951609763194359802", "239957100592431877625630349834377995956", "220703862567639174924490715496829136588", "34066312719592156980629263546744633452", "100509082883586296856352783302746544168", "69782854348130418566692199746206054914", "285616631961413851070736294433384921611", "233567386203093787833446618422777771967", "235481404105748525695745805176382772360", "18423438818818081493221269029834857545", "118256802939868015571075378876605315506", "44762612608796111107454217659073804633", "334336627696390824614795281904961646396", "326898558449254293948635311760065653585", "279054814108048591727434534025067945793", "258455768917598868792004258236289458496", "334950678624749253510238704511738057616", "146380922260753864319318518045047523014", "274171806876113715787150586942507807517", "70409827101518024311426649938334070516", "22804330745980459824173796120022781770", "312758586359002173452077683048822947042", "234887475365151299811247877605884526405", "336433176821158571678543261548574020538", "215105040095945958114233462225310459647", "100509082883586296856352783302746544168", "285616631961413851070736294433384921611", "233567386203093787833446618422777771967", "235481404105748525695745805176382772360", "18423438818818081493221269029834857545", "234887475365151299811247877605884526405", "336433176821158571678543261548574020538", "215105040095945958114233462225310459647", "100509082883586296856352783302746544168" ], "threshold": 0.9 }, "target": { "file": "src/encode.c" }, "signature_version": "v1", "signature_type": "Line", "id": "CVE-2021-36080-debc5567", "source": "https://github.com/libredwg/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342", "deprecated": false }, { "digest": { "length": 404.0, "function_hash": "324569338775683358868175276696415478172" }, "target": { "function": "_private", "file": "src/encode.c" }, "signature_version": "v1", "signature_type": "Function", "id": "CVE-2021-36080-ea907bf6", "source": "https://github.com/libredwg/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342", "deprecated": false } ] }