What is CVE-2024-52811?

CVE-2024-52811 is a high-severity vulnerability in Ngtcp2, classified under Always-Incorrect Control Flow Implementation. CVSS score: 8.2/10. Published 2024-11-25.

How severe is CVE-2024-52811?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Ngtcp2

CVE-2024-52811

The ngtcp2 project is an effort to implement IETF QUIC protocol in C. In affected versions acks are not validated before being written to the qlog leading to a buffer overflow. In `ngtcp2_conn::conn_recv_pkt` for an ACK, there was new logi…

EPSS: 0.008 (52.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Ngtcp2 — versions = 1.9.0

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-52811?: CVE-2024-52811 is a high-severity vulnerability in Ngtcp2, classified under Always-Incorrect Control Flow Implementation. CVSS score: 8.2/10. Published 2024-11-25.
How severe is CVE-2024-52811?: High severity. CVSS v3 base score is 8.2 out of 10.