High severity · published Oct 17, 2023
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
7.5
CVSS
58.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)58.3% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
37; 38 · source: NVD
TS
Traffic Server · Apache
9.0.0 before 9.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39456
Mailing List
https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/
www.debian.org
https://www.debian.org/security/2023/dsa-5549
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