Detections
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RockyLinux 8 : nghttp2 (RLSA-2023:5837)
medium Nessus Plugin ID 277731
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Synopsis
The remote RockyLinux host is missing a security update.Description
The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2023:5837 advisory.* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
Tenable has extracted the preceding description block directly from the RockyLinux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Medium
ID: 277731
File Name: rocky_linux_RLSA-2023-5837.nasl
Version: 1.2
Type: local
Published: 12/8/2025
Updated: 12/9/2025
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2023-44487
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.9
Threat Score: 6.9
Threat Vector: CVSS:4.0/E:A
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:rocky:linux:nghttp2-debugsource, p-cpe:/a:rocky:linux:libnghttp2-debuginfo, p-cpe:/a:rocky:linux:nghttp2-debuginfo, p-cpe:/a:rocky:linux:nghttp2, p-cpe:/a:rocky:linux:libnghttp2-devel, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:libnghttp2
Required KB Items: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 12/5/2025
Vulnerability Publication Date: 10/10/2023
CISA Known Exploited Vulnerability Due Dates: 10/31/2023
Reference Information
CVE: CVE-2023-44487