Medium severity4.8NVD Advisory· Published Jul 29, 2026· Updated Aug 3, 2026
CVE-2026-65100
CVE-2026-65100
Description
Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Affected products
2cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*range: >=8.0.0,<=8.1.9
- (no CPE)range: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3
Patches
Vulnerability mechanics
References
1- lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6dnvdMailing ListVendor Advisory
News mentions
1- Apache Traffic Server: 25 Vulnerabilities Disclosed Together on July 30, 2026Vypr Intelligence · Jul 30, 2026