An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.

haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows for memory disclosure haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2 decoder allows for crash jenkins-plugin-script-security: Sandbox Bypass in finalize methods jenkins-plugin-script-security: Sandbox Bypass in finalize methods prometheus: Stored DOM cross-site scripting (XSS) attack via crafted URL jenkins-plugin-script-security: Sandbox Bypass in Script Security Plugin jenkins-plugin-workflow-cps: Sandbox Bypass in Pipeline: Groovy Plugin jenkins-plugin-pipeline-model-definition: Sandbox Bypass in Pipeline: Declarative jenkins: cookie crafted using Jenkins script console allows unauthorised access to Jenkins instance jenkins: deleting a user record will does not invalidate existing sessions jenkins-plugin-git: CSRF vulnerability in Git Plugin (SECURITY-1095) jenkins-plugin-token-macro: Recursive token expansion results in information disclosure and DoS in Token Macro Plugin (SECURITY-1102) jenkins-plugin-blueocean: Blue Ocean did not require CSRF tokens (SECURITY-1201) jenkins-plugin-blueocean: XSS vulnerability via user description in Blue Ocean (SECURITY-1204) jenkins-plugin-config-file-provider: Stored XSS vulnerability in Config File Provider Plugin (SECURITY-1253)

Affected: Ubuntu:18.04:LTS: haproxy

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.