vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-45412

HIGH
8.8
CVSS Score
Published: December 22, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:10 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR· also runs on 3 platforms

Using Firefox ESR by Mozilla?

Get instant alerts when new vulnerabilities affect Firefox ESR - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 107
Affected range stops below 107, so it looks safe — our inference, not a vendor statement
Affected range stops below 107.0, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · google-android (environment) · linux-linux-kernel (environment)
Firefox ESR· Mozilla
95%
v < 102.5
Affected range stops below 102.5, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · google-android (environment) · linux-linux-kernel (environment)
Thunderbird· Mozilla
95%
v < 102.5
Affected range stops below 102.5, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · google-android (environment) · linux-linux-kernel (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (4)

Issue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1791029
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-47/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-48/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-49/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card