CVE-2023-39456CWE-20

Apache Traffic Server: Malformed http/2 frames can cause an abort

High · published October 17, 2023

Patch now

High probability of exploitation

CVSS calls it high at 7.5. It sits in the 99.1th percentile for exploit probability.

CVSS v3.1

7.5

EPSS

58%

Percentile

99.1

In the wild

Unconfirmed

What it is

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2.

Users are recommended to upgrade to version 9.2.3, which fixes the issue.

The record

Technical detail

CVSS v3.1: 7.5 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0: Not supplied
EPSS: 0.58286 · 99.1th percentile
Weakness: CWE-20 · Improper Input Validation
Published: 2023-10-17T06:58Z

EPSS history

Timeline

17 OCT 06:58Z
Apache Traffic Server: Malformed http/2 frames can cause an abort
cvelistv5