Skip to main content
HIGH

CVE-2022-40468

CVSS v3

7.5

HIGH

EPSS Score

1.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.

Technical details

Published
2022-09-19

Frequently asked questions

What is CVE-2022-40468?

Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.

Is CVE-2022-40468 actively exploited?

Active exploitation of CVE-2022-40468 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-40468?

CVE-2022-40468 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2022-40468 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key