CVE-2022-40468
Publication date 19 September 2022
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| tinyproxy | 25.10 questing |
Not affected
|
| 25.04 plucky |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Fixed 1.11.0-1ubuntu0.1~esm1
|
|
| 20.04 LTS focal |
Fixed 1.10.0-4ubuntu0.1
|
|
| 18.04 LTS bionic |
Fixed 1.8.4-5ubuntu0.1~esm2
|
|
| 16.04 LTS xenial |
Fixed 1.8.3-3ubuntu16.04.1~esm2
|
|
| 14.04 LTS trusty |
Fixed 1.8.3-3ubuntu14.04.1~esm2
|
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| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-7140-1
- Tinyproxy vulnerability
- 9 December 2024
- USN-7140-2
- Tinyproxy vulnerability
- 6 January 2025
Other references
- https://github.com/tinyproxy/tinyproxy/issues/457
- https://github.com/tinyproxy/tinyproxy/commit/3764b8551463b900b5b4e3ec0cd9bb9182191cb7
- https://github.com/tinyproxy/tinyproxy
- https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346
- https://www.cve.org/CVERecord?id=CVE-2022-40468