Excessive memory allocation in s2n-quic_CVE-2026-10740

5.3 / 10

MEDIUM

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

Description

Unbounded memory allocation in the CRYPTO frame reassembler in s2n-quic before 1.8.2 may allow an unauthenticated remote actor to cause a denial of service (degraded availability) by sending crafted QUIC Initial packets.

To remediate this issue, users should upgrade to v1.8.2.

Basic Information

ID CVE-2026-10740

Source AMZN

Published Jun 10, 2026 at 18:09

Modified Jun 10, 2026 at 18:16

Affected Product

Vendor AWS

Product s2n-quic

Affected Versions AWS s2n-quic 0

CWE Classification

CWE-770

References

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    "lastseen": "",
    "description": "Unbounded memory allocation in the CRYPTO frame reassembler in s2n-quic before 1.8.2 may allow an unauthenticated remote actor to cause a denial of service (degraded availability) by sending crafted QUIC Initial packets.\n\n\n\nTo remediate this issue, users should upgrade to v1.8.2.",
    "published": "2026-06-10T18:09:36.070Z",
    "modified": "2026-06-10T18:16:51.269Z",
    "type": "cve",
    "title": "Excessive memory allocation in s2n-quic",
    "source": "AMZN",
    "references": "https://github.com/aws/s2n-quic/releases/tag/v1.82.0\nhttps://aws.amazon.com/security/security-bulletins/2026-042-aws/\nhttps://github.com/aws/s2n-quic/security/advisories/GHSA-9q54-f358-3fqf",
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        "cvssV3": {
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