AUGUST 4, 2026
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Case File

CVE-2023-39456

HIGH · CVSS 7.5 EPSS 53.48%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-10-17 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Apache. Its EPSS score suggests a 53.5% probability of exploitation in the next 30 days.

CVE
CVE-2023-39456
Severity
HIGH
CVSS
7.5
EPSS
53.48%
Apache

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)