CVE-2016-6580 describes an unbounded memory allocation vulnerability in the Python priority library, affecting versions prior to 1.2.0, when used in HTTP/2 implementations. A malicious peer could exploit this by continuously assigning priority information for every possible HTTP/2 stream ID, leading to excessive memory consumption and high CPU usage. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with no user interaction, resulting in a complete loss of availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0CPE matchmatch criteria | cpe:2.3:a:python:python_priority_library:1.0.0:*:*:*:*:*:*:* | ||
1.1.0CPE matchmatch criteria | cpe:2.3:a:python:python_priority_library:1.1.0:*:*:*:*:*:*:* | ||
1.1.1CPE matchmatch criteria | cpe:2.3:a:python:python_priority_library:1.1.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.