No exploitation reportedFix available

CVE-2024-28182

Q: Is CVE-2024-28182 actively exploited?

Active exploitation of CVE-2024-28182 has not been confirmed. Its EPSS score was 85.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-28182?

CVE-2024-28182 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

No exploitation reported by the sources we read.

Published2024-04-04
WeaknessCWE-770

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability.

Timeline

dates in UTC

2024-04-0415:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-28182?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-28182?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP

Fedoraproject fedora

Branch	Affected	Fixed in	Source
38.x	= 38	no fix published	NVD
39.x	= 39	no fix published	NVD
40.x	= 40	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
10.0	= 10.0	no fix published	NVD
11.0	= 11.0	no fix published	NVD

Nghttp2

Branch	Affected	Fixed in	Source
1.61	< 1.61.0	1.61.0	NVD · CISA-ADP

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

libnghttp2AlmaLinux:9all versions · fixed in 1.43.0-5.el9_4.3and 2 other packages
libnghttp2AlmaLinux:8all versions · fixed in 1.33.0-6.el8_10.1and 2 other packages
nodejsAlmaLinux:9all versions · fixed in 1:16.20.2-8.el9_4and 3 other packages
nodejsAlmaLinux:9all versions · fixed in 1:18.20.2-2.module_el9.4.0+99+a01f7676and 3 other packages
nodejsAlmaLinux:9all versions · fixed in 1:20.12.2-2.module_el9.4.0+100+71fc9528and 3 other packages
nodejsAlmaLinux:8all versions · fixed in 1:18.20.2-1.module_el8.9.0+3828+c9fa9644and 3 other packages
nodejsAlmaLinux:8all versions · fixed in 1:20.12.2-2.module_el8.9.0+3827+11b91f3eand 3 other packages
nodejs-nodemonAlmaLinux:9all versions · fixed in 3.0.1-1.module_el9.2.0+36+853e48f5

12 more package ranges on OSV.dev

Full record on NVD

Fix

Advisories and patches

github.comPatch
github.comPatch
github.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2024-04-04
OpenCVESSVC decisionnone—
CNACVSS 3.15.3read 2026-10-23
CNAweakness (CWE)CWE-770read 2026-10-23
FIRST EPSSEPSS score85.0 %read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published: 2024-04-04
Last Modified: 2026-10-15
NVD status: Modified

Frequently asked questions

What is CVE-2024-28182?

Is CVE-2024-28182 actively exploited?

Active exploitation of CVE-2024-28182 has not been confirmed. Its EPSS score was 85.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-28182?

CVE-2024-28182 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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