{"schema_version":1,"title":"Meta Hermes vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Meta Hermes: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2021-24037, was published on 24 May 2022.","url":"https://junglewise.ai/threats/technologies/hermes","json_url":"https://junglewise.ai/threats/technologies/hermes.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/hermes","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cve":"CVE-2021-24037","cvss":3.1,"epss":0.018,"slug":"cve-2021-24037-meta-hermes-javascript-engine-use-after-free","title":"Meta Hermes JavaScript engine use after free","severity":"low","exploited":false,"published_at":"2022-05-24T19:05:34+00:00","url":"https://junglewise.ai/threats/cve-2021-24037-meta-hermes-javascript-engine-use-after-free"},{"cve":"CVE-2020-1915","cvss":3.1,"epss":0.016,"slug":"cve-2020-1915-meta-hermes-out-of-bounds-read-in-javascript-interpreter","title":"Meta Hermes out-of-bounds read in JavaScript interpreter","severity":"low","exploited":false,"published_at":"2022-05-24T17:32:10+00:00","url":"https://junglewise.ai/threats/cve-2020-1915-meta-hermes-out-of-bounds-read-in-javascript-interpreter"},{"cve":"CVE-2020-1914","cvss":3.1,"slug":"cve-2020-1914-facebook-hermes-out-of-bounds-read-in-savegeneratorlong","title":"Facebook Hermes out-of-bounds read in SaveGeneratorLong","severity":"low","exploited":false,"published_at":"2022-05-24T17:30:18+00:00","url":"https://junglewise.ai/threats/cve-2020-1914-facebook-hermes-out-of-bounds-read-in-savegeneratorlong"},{"cve":"CVE-2020-1913","cvss":3.1,"epss":0.012,"slug":"cve-2020-1913-facebook-hermes-signed-to-unsigned-conversion-error","title":"Facebook Hermes signed to unsigned conversion error","severity":"low","exploited":false,"published_at":"2022-05-24T17:27:39+00:00","url":"https://junglewise.ai/threats/cve-2020-1913-facebook-hermes-signed-to-unsigned-conversion-error"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Meta React Server Components (Parcel)","slug":"react-server-components-parcel","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/react-server-components-parcel"},{"name":"Meta React Server Components (Turbopack)","slug":"react-server-components-turbopack","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/react-server-components-turbopack"},{"name":"Meta React Server Components (Webpack)","slug":"react-server-components-webpack","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/react-server-components-webpack"},{"name":"Meta WhatsApp for iOS","slug":"whatsapp-for-ios","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/whatsapp-for-ios"}],"technology":{"hub":true,"name":"Meta Hermes","slug":"hermes","vendor":{"name":"Meta","slug":"meta","url":"https://junglewise.ai/threats/vendors/meta"},"aliases":[],"category":"library","homepage":"https://hermesengine.dev/","repo_url":"https://github.com/facebook/hermes","description":"Hermes is an open-source JavaScript engine optimized for running React Native on Android.","url":"https://junglewise.ai/threats/technologies/hermes"},"most_severe":[{"cve":"CVE-2021-24037","cvss":3.1,"epss":0.018,"slug":"cve-2021-24037-meta-hermes-javascript-engine-use-after-free","title":"Meta Hermes JavaScript engine use after free","severity":"low","exploited":false,"published_at":"2022-05-24T19:05:34+00:00","url":"https://junglewise.ai/threats/cve-2021-24037-meta-hermes-javascript-engine-use-after-free"},{"cve":"CVE-2020-1915","cvss":3.1,"epss":0.016,"slug":"cve-2020-1915-meta-hermes-out-of-bounds-read-in-javascript-interpreter","title":"Meta Hermes out-of-bounds read in JavaScript interpreter","severity":"low","exploited":false,"published_at":"2022-05-24T17:32:10+00:00","url":"https://junglewise.ai/threats/cve-2020-1915-meta-hermes-out-of-bounds-read-in-javascript-interpreter"},{"cve":"CVE-2020-1913","cvss":3.1,"epss":0.012,"slug":"cve-2020-1913-facebook-hermes-signed-to-unsigned-conversion-error","title":"Facebook Hermes signed to unsigned conversion error","severity":"low","exploited":false,"published_at":"2022-05-24T17:27:39+00:00","url":"https://junglewise.ai/threats/cve-2020-1913-facebook-hermes-signed-to-unsigned-conversion-error"},{"cve":"CVE-2020-1914","cvss":3.1,"slug":"cve-2020-1914-facebook-hermes-out-of-bounds-read-in-savegeneratorlong","title":"Facebook Hermes out-of-bounds read in SaveGeneratorLong","severity":"low","exploited":false,"published_at":"2022-05-24T17:30:18+00:00","url":"https://junglewise.ai/threats/cve-2020-1914-facebook-hermes-out-of-bounds-read-in-savegeneratorlong"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}