CVE-2026-63932

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{}

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{"bugzilla": {"description": "kernel: iio: chemical: mhz19b: reject oversized serial replies", "id": "2502338", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502338"}, "csaw": false, "cwe": "CWE-120", "details": ["A flaw was found in the Linux kernel's `mhz19b` driver, which handles Winsen MHZ19B CO2 sensors. The `mhz19b_receive_buf()` function does not properly validate the size of incoming serial replies before copying them into a fixed-size buffer. A remote attacker could exploit this by sending an oversized serial reply, leading to a buffer overflow. This could result in a denial of service or potentially more severe impacts by overwriting critical data within the kernel."], "name": "CVE-2026-63932", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "impact": "important", "package_name": "erlang27", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63932\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63932\nhttps://lore.kernel.org/linux-cve-announce/2026071950-CVE-2026-63932-a1df@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4572a70b3681e38055c78d12fb68cd147bdbee7d,a5a05410cb34bfa486d63684cdc1f87a3b13f20a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4572a70b3681e38055c78d12fb68cd147bdbee7d,ea69e7a6efa88ef32090a91064c362738cc19ddd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4572a70b3681e38055c78d12fb68cd147bdbee7d,673478bc29cf72010faaf293c1c8c667393335a0)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.35,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.12,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-21T23:30:03.996722+00:00", "updated": "2026-10-30T17:45:15.039823+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}