{"id":"CVE-2019-11940","state":"PUBLISHED","title":"In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading ","description":"In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00.","publishedAt":"2019-12-04T16:30:17.000Z","updatedAt":"2024-08-04T23:10:29.529Z","severity":null,"assigner":"facebook","products":["Facebook Proxygen"],"affected":[{"vendor":"Facebook","product":"Proxygen","versions":[{"version":"v2017.04.03.00","status":"affected"},{"version":"v0.29.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"unaffected","lessThan":"v0.29.0","versionType":"custom"}]}],"references":["https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f","https://www.facebook.com/security/advisories/cve-2019-11940"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T19:45:22.458Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/11xxx/CVE-2019-11940.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-11940","state":"PUBLISHED","datePublished":"2019-12-04T16:30:17.000Z","dateUpdated":"2024-08-04T23:10:29.529Z","assignerShortName":"facebook","assignerOrgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","dateReserved":"2019-05-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00."}],"affected":[{"vendor":"Facebook","product":"Proxygen","versions":[{"version":"v2017.04.03.00","status":"affected"},{"version":"v0.29.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"unaffected","lessThan":"v0.29.0","versionType":"custom"}]}],"references":[{"url":"https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f","tags":["x_refsource_MISC"]},{"url":"https://www.facebook.com/security/advisories/cve-2019-11940","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"Use After Free (CWE-416)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"facebook","dateUpdated":"2019-12-04T16:30:16.000Z","orgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827"},"dateAssigned":"2019-12-02T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve-assign@fb.com","DATE_ASSIGNED":"2019-12-02","ID":"CVE-2019-11940","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Proxygen","version":{"version_data":[{"version_affected":"!=>","version_value":"v2017.04.03.00"},{"version_affected":">=","version_value":"v0.29.0"},{"version_affected":"!<","version_value":"v0.29.0"}]}}]},"vendor_name":"Facebook"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Use After Free (CWE-416)"}]}]},"references":{"reference_data":[{"name":"https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f","refsource":"MISC","url":"https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f"},{"name":"https://www.facebook.com/security/advisories/cve-2019-11940","refsource":"CONFIRM","url":"https://www.facebook.com/security/advisories/cve-2019-11940"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.facebook.com/security/advisories/cve-2019-11940","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T23:10:29.529Z"}}]}}}