What is CVE-2023-49606?

CVE-2023-49606 is a critical-severity vulnerability in Tinyproxy, classified under Use After Free. CVSS score: 9.8/10. Published 2024-05-01.

How severe is CVE-2023-49606?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-49606 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Tinyproxy

CVE-2023-49606

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…

Vulnerability class: Use-After-Free

EPSS: 0.790 (99.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tinyproxy — versions 1.11.1, Tinyproxy 1.10.0

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-49606?: CVE-2023-49606 is a critical-severity vulnerability in Tinyproxy, classified under Use After Free. CVSS score: 9.8/10. Published 2024-05-01.
How severe is CVE-2023-49606?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-49606 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.