CVE-2023-6862

2023-12-1913:38:43

mozilla

www.cve.org

use-after-free

nsdnsservice

firefox esr

thunderbird

vulnerability

8.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.9%

JSON

A use-after-free was identified in the nsDNSService::Init. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

CNA Affected

[
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "115.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "115.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]