CVE-2023-49606
9.8
CRITICAL · CVSS 3.1 · EPSS 63.1% (pctl 99)
Patch early
EPSS 63.1% — above the 10% action threshold.
Description
A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 63.08% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2024-05-01 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| tinyproxy project | tinyproxy |
References
- http://www.openwall.com/lists/oss-security/2024/05/07/1
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889
- http://www.openwall.com/lists/oss-security/2024/05/07/1
- https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1889
→ the Explorer · watch your stack · NVD