CVE-2026-21413

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Commit 0b56545"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Commit d20315b"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "LibRaw", "source": "cna", "vendor": "LibRaw"}, "product": "libraw", "vendor": "libraw"}], "analysis": {"en": {"generated_at": "2026-04-10T22:45:03.246413+00:00", "value": {"mitigation_remediation": ["Upgrade LibRaw to a version in which the buffer overflow is fixed, such as the latest stable release.", "Verify that all dependent applications link against the updated library and restart them to ensure the patch takes effect.", "If an update cannot be applied immediately, restrict or validate input files before they are handed to LibRaw and consider disabling lossless JPEG support where possible."], "summary": {"action": "Immediate Patch", "impact": "Arbitrary code execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the LibRaw library, specifically versions 0.22.0 and 0.22.1. Any application that uses these LibRaw releases to process lossless JPEG images could be affected.", "description_and_impact": "A heap\u2011based buffer overflow exists in LibRaw\u2019s lossless_jpeg_load_raw procedure. A specially crafted lossless JPEG file can overflow a heap buffer, allowing an attacker to execute arbitrary code in the context of the process that loads the file. The flaw is classified as CWE\u2011129 (Improper Validation of Array Index) and CWE\u2011787 (Out\u2011of\u2011Bounds Write).", "risk_and_exploitability": "The CVSS score of 9.8 indicates a critical severity, while the EPSS score is below 1\u202f% and the vulnerability is not listed in CISA\u2019s KEV catalog. The attack vector likely involves local or remote users who can supply a malicious image file to an application that relies on LibRaw for decoding. Successful exploitation would give the attacker code execution rights within the hosting process, potentially compromising entire systems."}}}}, "created": "2026-04-08T19:37:52.359174+00:00", "updated": "2026-04-13T14:26:48.067446+00:00", "vendors": ["libraw", "libraw$PRODUCT$libraw"]}