Vulnerability-Lookup

OESA-2024-1389 (CVE-2024-28182)

Vulnerability from osv_openeuler – Published: 2024-04-12 11:06 – Updated: 2026-08-06 11:06 – Source website

Summary

nghttp2 security update

Details

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2.

Security Fix(es):

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.(CVE-2024-28182)

Severity

5.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2024-28182	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "libnghttp2-1.41.0-5.oe1.aarch64.rpm",
          "libnghttp2-devel-1.41.0-5.oe1.aarch64.rpm",
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          "nghttp2-1.41.0-5.oe1.aarch64.rpm"
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      },
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          "libnghttp2-1.46.0-6.oe2203sp1.aarch64.rpm",
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      "package": {
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        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2.\r\n\r\nSecurity Fix(es):\r\n\r\nnghttp2 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.(CVE-2024-28182)",
  "id": "OESA-2024-1389",
  "modified": "2026-08-06T11:06:50Z",
  "published": "2024-04-12T11:06:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1389"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28182"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "nghttp2 security update",
  "upstream": [
    "CVE-2024-28182"
  ]
}

CVE-2024-28182 (GCVE-0-2024-28182)

Vulnerability from cvelistv5 – Published: 2024-04-04 14:41 – Updated: 2025-11-04 18:30

Title

Reading unbounded number of HTTP/2 CONTINUATION frames to cause excessive CPU usage

Summary

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-04-04 17:15 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root

References

10 references

URL	Tags
https://github.com/nghttp2/nghttp2/security/advis…	x_refsource_CONFIRM
https://github.com/nghttp2/nghttp2/commit/00201ec…	x_refsource_MISC
https://github.com/nghttp2/nghttp2/commit/d71a466…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.debian.org/debian-lts-announce/2024…
http://www.openwall.com/lists/oss-security/2024/0…
https://lists.debian.org/debian-lts-announce/2024…
https://www.kb.cert.org/vuls/id/421644

Impacted products

2 products

Vendor	Product	Version
nghttp2	nghttp2	Affected: < 1.61.0
nghttp2	nghttp2	Affected: 0 , < 1.61.0 (custom) cpe:2.3:a:nghttp2:nghttp2::::::::

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-04T17:15:08.320689Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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        "providerMetadata": {
          "dateUpdated": "2025-11-04T18:30:26.332Z",
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      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
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      "providerMetadata": {
        "dateUpdated": "2024-05-01T18:12:22.033Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q"
        },
        {
          "name": "https://github.com/nghttp2/nghttp2/commit/00201ecd8f982da3b67d4f6868af72a1b03b14e0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nghttp2/nghttp2/commit/00201ecd8f982da3b67d4f6868af72a1b03b14e0"
        },
        {
          "name": "https://github.com/nghttp2/nghttp2/commit/d71a4668c6bead55805d18810d633fbb98315af9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nghttp2/nghttp2/commit/d71a4668c6bead55805d18810d633fbb98315af9"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGOME6ZXJG7664IPQNVE3DL67E3YP3HY/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J6ZMXUGB66VAXDW5J6QSTHM5ET25FGSA/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXJO2EASHM2OQQLGVDY5ZSO7UVDVHTDK/"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00026.html"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"
        }
      ],
      "source": {
        "advisory": "GHSA-x6x3-gv8h-m57q",
        "discovery": "UNKNOWN"
      },
      "title": "Reading unbounded number of HTTP/2 CONTINUATION frames to cause excessive CPU usage"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-28182",
    "datePublished": "2024-04-04T14:41:36.587Z",
    "dateReserved": "2024-03-06T17:35:00.857Z",
    "dateUpdated": "2025-11-04T18:30:26.332Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.