{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-110654",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-14T13:08:38.678Z",
        "datePublished": "2026-10-14T15:01:21.898Z",
        "dateUpdated": "2026-10-14T15:01:21.898Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-14T15:01:21.898Z"
            },
            "datePublic": "2026-10-14T00:00:00.000Z",
            "title": "libzvbi through 0.2.45 Out-of-Bounds Write via Teletext DRCS convert_drcs",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "libzvbi through 0.2.45 contains an out-of-bounds write vulnerability in the Teletext decoder that allows attackers to corrupt memory by supplying unvalidated DRCS pixel-mode values in X/28/3 packets. Attackers can send a crafted Teletext stream decoded via vbi_decode with every slot set to DRCS_MODE_6_5_4, causing convert_drcs to overflow chars[48][60] and crash the application."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Out-of-bounds Write",
                            "cweId": "CWE-787",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "zapping-vbi",
                    "product": "libzvbi",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.2.45"
                        }
                    ],
                    "collectionURL": "https://github.com/zapping-vbi/zvbi",
                    "repo": "https://github.com/zapping-vbi/zvbi"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 6.9,
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://hackmd.io/@haind-pwn/zvbi-teletext-drcs-mode-oob-write",
                    "tags": [
                        "technical-description",
                        "exploit"
                    ]
                },
                {
                    "url": "https://github.com/zapping-vbi/zvbi/blob/d3a5ee9f2b047bf16cd1ee5ccf6ec05ee75409d0/src/packet.c#L447",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/zapping-vbi/zvbi",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: libzvbi through 0.2.45 Out-of-Bounds Write via Teletext DRCS convert_drcs",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/libzvbi-through-0.2.45-out-of-bounds-write-via-teletext-drcs-convert-drcs"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "HaiND from the Post and Telecommunication Institute of Technology",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}