CVE-2022-46874

2022-12-2200:00:00

mozilla

www.cve.org

file truncation

malicious extension

user confusion

patch omission

vulnerability

firefox

thunderbird

esr

8.9 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.4%

JSON

A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code.<br />Note: This issue was originally included in the advisories for Thunderbird 102.6, but a patch (specific to Thunderbird) was omitted, resulting in it actually being fixed in Thunderbird 102.6.1. This vulnerability affects Firefox < 108, Thunderbird < 102.6.1, Thunderbird < 102.6, and Firefox ESR < 102.6.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "108",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Thunderbird",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102.6.1",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThan": "102.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Firefox ESR",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]