{"id":"ALPINE-CVE-2021-29952","details":"When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox \u003c 88.0.1 and Firefox for Android \u003c 88.1.3.","modified":"2026-11-03T06:32:39.179005546Z","published":"2021-06-24T14:15:09.973Z","upstream":["CVE-2021-29952"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-29952"}],"affected":[{"package":{"name":"firefox","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-29952.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"88.0.1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