🛡️ CVE-2022-38478
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-787 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103, Firefox ESR 102.1, and Firefox ESR 91.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 102.2, Thunderbird < 91.13, Firefox ESR < 91.13, Firefox ESR < 102.2, and Firefox < 104.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ✅ No
Source NVD
Published 2022-12-22
Updated 2026-06-08
Modified 2025-04-15
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 102.0 102.2
firefox-esr 91.13
thunderbird 102.0 102.2

References

Issue Tracking, Not Applicable, Vendor Advisory https://bugzilla.mozilla.org/buglist.cgi?bug_id=1770630%2C1776658
Issue Tracking, Not Applicable, Vendor Advisory https://bugzilla.mozilla.org/buglist.cgi?bug_id=1770630%2C1776658

Similar Threats

Patch Gap Protection

Running software with known vulnerabilities?

BotEraser can help reduce exposure by blocking IPs associated with exploit activity — even before a patch is available.

Start Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.