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        "cveId": "CVE-2026-91018",
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        "state": "PUBLISHED",
        "assignerShortName": "icscert",
        "dateReserved": "2026-09-14T16:40:45.500Z",
        "datePublished": "2026-09-22T20:25:33.530Z",
        "dateUpdated": "2026-09-22T20:25:33.530Z"
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            "title": "Double Free in lwIP (lightweight IP)",
            "datePublic": "2026-09-22T17:53:00.000Z",
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                            "lang": "en",
                            "cweId": "CWE-415",
                            "description": "CWE-415 Double free",
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                    "url": "https://cgit.git.savannah.gnu.org/cgit/lwip.git"
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                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-265-02"
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                        "Safety": "NOT_DEFINED",
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                        "Recovery": "NOT_DEFINED",
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                    "value": "Users of lwIP are encouraged to update their version of lwIP using the repository found at  https://cgit.git.savannah.gnu.org/cgit/lwip.git . The commit identifier that contains the fix is f873b6295933e4149a2132adf3e9a2d2a676a5ec.",
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                    "lang": "en",
                    "value": "Eric Evenchick of Tetrel Security reported this vulnerability to CISA.",
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                "advisory": "ICSA-26-265-02",
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