How severe is CVE-2022-40468?

CVE-2022-40468 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-40468 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40468?

CVE-2022-40468 affects Tinyproxy Project Tinyproxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40468?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40468 published?

CVE-2022-40468 was published on 2022-09-19 and last updated on 2026-06-17.

CVE-2022-40468

CVE-2022-40468 is a high-severity vulnerability in Tinyproxy Project Tinyproxy with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1188.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Tinyproxy Project Tinyproxy
Published: 2022-09-19
Last modified: 2026-06-17

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.

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.
How severe is CVE-2022-40468?: CVE-2022-40468 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-40468 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40468?: CVE-2022-40468 affects Tinyproxy Project Tinyproxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40468?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40468 published?: CVE-2022-40468 was published on 2022-09-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:*

More vulnerabilities in Tinyproxy Project Tinyproxy

CVE-2023-49606 — Critical (CVSS 9.8): A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0.…
CVE-2026-31842 — High (CVSS 7.5): Tinyproxy through 1.11.3 is vulnerable to HTTP request parsing desynchronization due to a case-sensitive comparison of…
CVE-2025-63938 — Medium (CVSS 6.5): Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the strip_return_port() function within…
CVE-2017-11747 — Medium (CVSS 5.5): main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a…

All CVEs affecting Tinyproxy Project Tinyproxy →

Other CWE-1188 (Insecure Default Initialization of Resource) vulnerabilities

CVE-2026-31957 — Critical (CVSS 10.0): Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 3.0.0 to before 3.1.0, if…
CVE-2025-41672 — Critical (CVSS 10.0): A remote unauthenticated attacker may use default certificates to generate JWT Tokens and gain full access to the tool…
CVE-2024-0001 — Critical (CVSS 10.0): A condition exists in FlashArray Purity whereby a local account intended for initial array configuration remains active…
CVE-2024-2912 — Critical (CVSS 10.0): An insecure deserialization vulnerability exists in the BentoML framework, allowing remote code execution (RCE) by…
CVE-2021-34795 — Critical (CVSS 10.0): Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON)…
CVE-2017-7964 — Critical (CVSS 10.0): Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for…

Browse all CWE-1188 (Insecure Default Initialization of Resource) vulnerabilities →