CVE-2017-9789 describes a use-after-free vulnerability in Apache httpd 2.4.26's HTTP/2 handling code. Under stress, specifically when closing numerous connections, the server could attempt to access memory that had already been freed, leading to unpredictable behavior. This vulnerability carries a high CVSS score of 7.5, indicating a network-exploitable issue with low attack complexity and high availability impact, though it does not affect confidentiality or integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.4.26CPE matchmatch criteria | cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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