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[email protected]CVE-2023-6862

HistoryDec 19, 2023 - 2:15 p.m.

CVE-2023-6862

2023-12-1914:15:07

CWE-416

[email protected]

web.nvd.nist.gov

cve-2023-6862

use-after-free

nsdnsservice::init

firefox esr

thunderbird

nvd

vulnerability

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

Low

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

41.1%

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.

VendorProductVersionCPE
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*