{"id":"CVE-2019-12760","state":"PUBLISHED","title":"A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can b","description":"A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution. NOTE: This is disputed because \"the cache directory is not under control of the attacker in any common configuration.","publishedAt":"2019-06-06T18:55:03.000Z","updatedAt":"2024-08-04T23:32:54.763Z","severity":{"score":3.3,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://gist.github.com/dhondta/f71ae7e5c4234f8edfd2f12503a5dcc7","https://github.com/davidhalter/parso/issues/75"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:24.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/12xxx/CVE-2019-12760.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-12760","state":"PUBLISHED","datePublished":"2019-06-06T18:55:03.000Z","dateUpdated":"2024-08-04T23:32:54.763Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-06-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution. 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