CVE-2022-45412 : When resolving a symlink such as <code>file:///proc/self/fd/1</code>, an error m

When resolving a symlink such as <code>file:///proc/self/fd/1</code>, an error message may be produced where the symlink was resolved to a string containing unitialized memory in the buffer. <br>*This bug only affects Thunderbird on Unix-based operated systems (Android, Linux, MacOS). Windows is unaffected.*. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Published 2022-12-22 20:15:44

Updated 2025-04-15 15:16:02

Source Mozilla Corporation

View at NVD, CVE.org

Products affected by CVE-2022-45412

Mozilla » Firefox
Versions before (<) 107.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Google » Android » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
Mozilla » Thunderbird
Versions before (<) 102.5
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Google » Android » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
Mozilla » Firefox Esr
Versions before (<) 102.5
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Google » Android » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-45412

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 26 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-45412

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-04-15
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-45412

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2022-45412

https://www.mozilla.org/security/advisories/mfsa2022-49/

Security Vulnerabilities fixed in Thunderbird 102.5 — Mozilla
Vendor Advisory

CVEs referencing this url
https://bugzilla.mozilla.org/show_bug.cgi?id=1791029

Access Denied
Issue Tracking;Permissions Required;Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-48/

Security Vulnerabilities fixed in Firefox ESR 102.5 — Mozilla
Vendor Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2022-47/

Security Vulnerabilities fixed in Firefox 107 — Mozilla
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2022-45412

Products affected by CVE-2022-45412

Exploit prediction scoring system (EPSS) score for CVE-2022-45412

CVSS scores for CVE-2022-45412

CWE ids for CVE-2022-45412

References for CVE-2022-45412