ghsa-cx8r-rrrj-cfxg
Vulnerability from github
Published
2021-12-09 00:00
Modified
2022-03-17 00:06
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.

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{
   affected: [],
   aliases: [
      "CVE-2021-43539",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-416",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-12-08T22:15:00Z",
      severity: "HIGH",
   },
   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.",
   id: "GHSA-cx8r-rrrj-cfxg",
   modified: "2022-03-17T00:06:36Z",
   published: "2021-12-09T00:00:18Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-43539",
      },
      {
         type: "WEB",
         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",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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