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…

PriorityP357high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

53.48%

98.9th percentile

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
apache	traffic_server	>= 9.0.0 < 9.2.3	9.2.3
apache_software_foundation	apache_traffic_server	9.0.0 – 9.2.2	—
debian	trafficserver	< trafficserver 9.2.3+ds-1+deb12u1 (bookworm)	trafficserver 9.2.3+ds-1+deb12u1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Vulnerability is triggered by malformed HTTP/2 frames sent to Apache Traffic Server; monitor for malformed/invalid HTTP/2 frame parsing errors in ATS logs

·Affected versions are Apache Traffic Server 9.0.0 through 9.2.2; version 9.2.3 contains the fix

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv7.5HIGH

vendor_debian7.5HIGH

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