JLSEC-2026-372

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-372.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-372.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2026-372
Upstream
  • CVE-2026-6985
  • EUVD-2026-25661
Published
2026-04-30T19:30:31.295Z
Modified
2026-04-30T19:45:21.643948Z
Severity
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
[none]
Details

A weakness has been identified in Cesanta Mongoose up to 7.20. This vulnerability affects the function handleopt of the file /src/netbuiltin.c of the component TCP Option Handler. This manipulation of the argument optlen causes infinite loop. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.21 is able to resolve this issue. Upgrading the affected component is advised. VulDB has contacted the vendor early and they confirmed quickly, that this issue got fixed already.

Database specific
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "imported": "2026-04-30T18:54:48.155Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6985",
            "database_specific": {
                "status": "Analyzed"
            },
            "id": "CVE-2026-6985",
            "published": "2026-04-25T17:16:33.520Z",
            "modified": "2026-04-29T19:05:12.250Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-6985"
        },
        {
            "html_url": "https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25661",
            "modified": "2026-04-27T12:35:36Z",
            "id": "EUVD-2026-25661",
            "published": "2026-04-25T16:15:13Z",
            "imported": "2026-04-30T18:54:54.459Z",
            "url": "https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-25661"
        }
    ]
}
References

Affected packages

Julia / Mongoose_jll

Package

Name
Mongoose_jll
Purl
pkg:julia/Mongoose_jll?uuid=0a8a3f5b-4c0e-5906-8e29-5b3fee15539c

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.21.0+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-372.json"