Improper input validation in Apache Traffic_server
CVE-2023-39456
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.535 (98.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Traffic_server
- Apache Software Foundation Traffic Server — versions 9.0.0
- Fedoraproject Fedora — versions 37, 38
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- security@apache.org (Mailing List)
- security@apache.org (Mailing List)
- security@apache.org
- security@apache.org
Frequently asked questions
- What is CVE-2023-39456?
- CVE-2023-39456 is a high-severity vulnerability in Apache Traffic_server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2023-10-17.
- How severe is CVE-2023-39456?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-39456 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.