{
"id": "GHSA-cx8r-rrrj-cfxg",
"aliases": [
"CVE-2021-43539"
],
"details": "Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.",
"affected": [],
"modified": "2022-03-17T00:06:36Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"published": "2021-12-09T00:00:18Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43539",
"type": "ADVISORY"
},
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1739683",
"type": "WEB"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html",
"type": "WEB"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html",
"type": "WEB"
},
{
"url": "https://security.gentoo.org/glsa/202202-03",
"type": "WEB"
},
{
"url": "https://security.gentoo.org/glsa/202208-14",
"type": "WEB"
},
{
"url": "https://www.debian.org/security/2021/dsa-5026",
"type": "WEB"
},
{
"url": "https://www.debian.org/security/2022/dsa-5034",
"type": "WEB"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2021-52",
"type": "WEB"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2021-53",
"type": "WEB"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2021-54",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"severity": "HIGH",
"github_reviewed": false,
"nvd_published_at": "2021-12-08T22:15:00Z",
"github_reviewed_at": null
}
}