CVE-2023-6859

2023-12-1913:38:39

mozilla

www.cve.org

tls socket creation

use-after-free

firefox esr

thunderbird

vulnerability

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.7%

JSON

A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

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"
      }
    ]
  },
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "121",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]