CVE-2022-40468

HIGH
Published Sep 19, 20223y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 19, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-1188

Affected Products 1

VendorProductVersionRange
tinyproxy_projecttinyproxy* ≤1.11.1

References 6

  • github.com https://github.com/tinyproxy/tinyproxy
    Third Party Advisory
  • github.com https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346
    ExploitThird Party Advisory
  • github.com https://github.com/tinyproxy/tinyproxy/issues/457
    ExploitThird Party Advisory
  • github.com https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html
  • security.gentoo.org https://security.gentoo.org/glsa/202305-27

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.