JLSEC-2026-718

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-718.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-718.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2026-718
Upstream
  • EUVD-2026-21214
  • GHSA-w5qh-hw7x-9w39
Published
2026-07-14T21:41:35Z
Modified
2026-07-25T18:24:00Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.3 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
Heap buffer overflow in DTLS 1.3 ACK message processing
Details

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow.

Database specific
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Analyzed"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5264",
            "id": "CVE-2026-5264",
            "imported": "2026-07-17T22:30:09.455Z",
            "modified": "2026-06-17T10:58:42.543Z",
            "published": "2026-04-09T22:16:36.790Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5264"
        },
        {
            "html_url": "https://github.com/advisories/GHSA-w5qh-hw7x-9w39",
            "id": "GHSA-w5qh-hw7x-9w39",
            "imported": "2026-07-17T22:30:09.625Z",
            "modified": "2026-04-29T18:31:32Z",
            "published": "2026-04-10T00:30:31Z",
            "url": "https://api.github.com/advisories/GHSA-w5qh-hw7x-9w39"
        },
        {
            "html_url": "https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-21214",
            "id": "EUVD-2026-21214",
            "imported": "2026-07-17T22:30:19.538Z",
            "modified": "2026-04-10T13:55:41Z",
            "published": "2026-04-09T21:43:12Z",
            "url": "https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-21214"
        }
    ]
}
References

Affected packages

Julia / wolfSSL_jll

Package

Name
wolfSSL_jll
Purl
pkg:julia/wolfSSL_jll?uuid=98c43586-9870-5ae5-ab22-acc77b9bbdb5

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.9.2+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-718.json"