github - ghsa-fxr9-2j9j-f89c

GHSA-FXR9-2J9J-F89C

Vulnerability from github – Published: 2022-05-24 19:11 – Updated: 2022-05-24 19:11

Details

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Severity ?

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-29981"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-17T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox \u003c 91 and Thunderbird \u003c 91.",
  "id": "GHSA-fxr9-2j9j-f89c",
  "modified": "2022-05-24T19:11:21Z",
  "published": "2022-05-24T19:11:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29981"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1707774"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202202-03"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-33"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-36"
    }
  ],
  "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"
    }
  ]
}

CVE-2021-29981 (GCVE-0-2021-29981)

Vulnerability from cvelistv5 – Published: 2021-08-17 19:12 – Updated: 2024-08-03 22:24

Summary

Severity ?

No CVSS data available.

CWE

Live range splitting could have led to conflicting assignments in the JIT

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1707774	x_refsource_MISC
	https://security.gentoo.org/glsa/202202-03	vendor-advisoryx_refsource_GENTOO

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 91 (custom)

Mozilla

Thunderbird

Affected: unspecified , < 91 (custom)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-FXR9-2J9J-F89C

CVE-2021-29981 (GCVE-0-2021-29981)

Tags

Sightings

Nomenclature