{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2922", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2026-02-20T22:27:05.349Z", "datePublished": "2026-03-13T20:38:49.124Z", "dateUpdated": "2026-03-18T03:55:38.961Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2026-03-13T20:38:49.124Z"}, "title": "GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability", "descriptions": [{"lang": "en", "value": "GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the processing of video packets. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28845."}], "affected": [{"vendor": "GStreamer", "product": "GStreamer", "versions": [{"version": "1c6e163aa33962f5ee4a87d29319ccdd5cb67612", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-165/", "name": "ZDI-26-165", "tags": ["x_research-advisory"]}, {"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/88df8d2cd063b95a076e8041b47f778a4402f363", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2026-02-20T22:27:05.387Z", "datePublic": "2026-03-06T21:21:04.117Z", "source": {"lang": "en", "value": "Anonymous"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-17T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-2922"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-18T03:55:38.961Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*", "matchCriteriaId": "1F1B75B8-0527-487E-8F53-A658F7A1E7A5", "versionEndExcluding": "1.28.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the processing of video packets. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28845."}], "id": "CVE-2026-2922", "lastModified": "2026-03-17T18:59:21.860", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}, "published": "2026-03-16T14:19:32.877", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/88df8d2cd063b95a076e8041b47f778a4402f363"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-165/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "zdi-disclosures@trendmicro.com", "type": "Primary"}]}

{"bugzilla": {"description": "GStreamer: GStreamer: Remote Code Execution via out-of-bounds write in RealMedia Demuxer", "id": "2447500", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447500"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in GStreamer. This vulnerability allows a remote attacker to execute arbitrary code by exploiting an out-of-bounds write in the RealMedia Demuxer component. The issue occurs due to improper validation of user-supplied data during the processing of video packets, leading to a write past the end of an allocated buffer. Successful exploitation can result in arbitrary code execution within the context of the current process."], "mitigation": {"lang": "en:us", "value": "Avoid processing untrusted RealMedia files with GStreamer-enabled applications. Users should exercise caution when opening RealMedia content from unknown or untrusted sources to prevent potential exploitation."}, "name": "CVE-2026-2922", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "gstreamer1", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "gstreamer", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "gstreamer", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "gstreamer1", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "gstreamer1", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mingw-gstreamer1", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "gstreamer1", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-13T20:38:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-2922\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-2922\nhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/88df8d2cd063b95a076e8041b47f778a4402f363\nhttps://www.zerodayinitiative.com/advisories/ZDI-26-165/"], "statement": "This IMPORTANT vulnerability in the GStreamer RealMedia Demuxer allows remote attackers to execute arbitrary code. The flaw occurs due to improper validation of user-supplied data when processing video packets, leading to an out-of-bounds write. Exploitation requires user interaction with a specially crafted RealMedia file.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "1c6e163aa33962f5ee4a87d29319ccdd5cb67612"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "GStreamer", "source": "cna", "vendor": "GStreamer"}, "product": "gstreamer", "vendor": "gstreamer"}], "analysis": {"en": {"generated_at": "2026-03-17T20:42:53.184243+00:00", "value": {"mitigation_remediation": ["Verify whether a patch is available from GStreamer and apply it immediately.", "If no patch is available, restrict network exposure to applications that use the GStreamer RealMedia demuxer.", "Monitor system logs for abnormal activity involving the demuxer.", "Consider disabling or sandboxing the component if legitimate use is not required."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Affected products are GStreamer GStreamer as listed by the CNA. No specific version range is provided in the CNA affected version data, so all installations of GStreamer that include the RealMedia demuxer component may be vulnerable. The common platform enumeration cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* confirms the breadth of impact across all GStreamer installations.", "description_and_impact": "The vulnerability is an out\u2011of\u2011bounds write in the GStreamer RealMedia demuxer that allows a remote attacker to write past the end of an allocated buffer. This flaw can lead to arbitrary code execution in the context of the current process. The weakness is identified as CWE\u2011787 and is a classic example of an improper bounds check leading to memory corruption.", "risk_and_exploitability": "The CVSS score of 7.8 indicates a high severity. The EPSS score is below 1%, suggesting a low probability of exploitation at present, and the vulnerability is not listed in the CISA KEV catalog. Because the flaw requires interaction with the demuxer to be triggered, the likely attack vector would involve delivery of a crafted RealMedia file to an application that processes such files. An attacker could exploit this remotely if the target application exposes a channel for receiving user\u2011supplied media content."}}}}, "created": "2026-03-16T09:23:36.164887+00:00", "updated": "2026-03-23T13:39:44.566686+00:00", "vendors": ["gstreamer", "gstreamer$PRODUCT$gstreamer"]}