github - ghsa-839r-7hhg-xhqr

GHSA-839R-7HHG-XHQR

Vulnerability from github – Published: 2025-08-01 06:31 – Updated: 2025-08-20 21:30

Details

LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.

Severity ?

5.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-54939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401",
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-01T06:15:28Z",
    "severity": "MODERATE"
  },
  "details": "LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.",
  "id": "GHSA-839r-7hhg-xhqr",
  "modified": "2025-08-20T21:30:24Z",
  "published": "2025-08-01T06:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54939"
    },
    {
      "type": "WEB",
      "url": "https://github.com/litespeedtech/lsquic/commit/4cd9252e77fb4a36b572e2167a84067d603d3b23"
    },
    {
      "type": "WEB",
      "url": "https://blog.litespeedtech.com/2025/08/18/litespeed-security-update"
    },
    {
      "type": "WEB",
      "url": "https://github.com/litespeedtech/lsquic/blob/70486141724f85e97b08f510673e29f399bbae8f/CHANGELOG#L1-L3"
    },
    {
      "type": "WEB",
      "url": "https://www.imperva.com/blog/quic-leak-cve-2025-54939-new-high-risk-pre-handshake-remote-denial-of-service-in-lsquic-quic-implementation"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-54939 (GCVE-0-2025-54939)

Vulnerability from cvelistv5 – Published: 2025-08-01 00:00 – Updated: 2025-08-20 19:55

Summary

LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.

Severity ?

5.3 (Medium)


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

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

mitre

References

URL

Tags

	https://github.com/litespeedtech/lsquic/blob/7048…
	https://github.com/litespeedtech/lsquic/commit/4c…
	https://www.imperva.com/blog/quic-leak-cve-2025-5…
	https://blog.litespeedtech.com/2025/08/18/litespe…

Impacted products

	Vendor	Product	Version
	litespeedtech	LSQUIC	Affected: 0 , < 4.3.1 (semver)

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                "timestamp": "2025-08-01T17:49:17.600012Z",
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-839R-7HHG-XHQR

CVE-2025-54939 (GCVE-0-2025-54939)

Tags

Sightings

Nomenclature