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CVE-2020-9494

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Date: June 24, 2020

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.

Language: C++

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2020-9494
https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/03/01/2
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-9494
https://www.debian.org/security/2020/dsa-4710
https://security-tracker.debian.org/tracker/CVE-2020-9494
https://www.mend.io/vulnerability-database/CVE-2020-9494

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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