CVE-2026-120457

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{"bugzilla": {"description": "libaec: libaec: Denial of Service via out-of-bounds read in m_se_decode()", "id": "2565234", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565234"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in libaec. An attacker can cause a Denial of Service (DoS) or information disclosure by supplying a specially crafted compressed data stream. Due to an out-of-bounds read vulnerability in the decoding function (m_se_decode), an overlong sequence bypasses bounds checking, causing the application to crash or leak adjacent memory into decoded output."], "name": "CVE-2026-120457", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libaec", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "libaec", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-11-02T14:29:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120457\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120457\nhttps://github.com/Deutsches-Klimarechenzentrum/libaec/blob/v1.1.7/src/decode.c#L556-L586\nhttps://github.com/Deutsches-Klimarechenzentrum/libaec/issues/64\nhttps://github.com/Deutsches-Klimarechenzentrum/libaec/pull/66\nhttps://github.com/Deutsches-Klimarechenzentrum/libaec/releases/tag/v1.1.7\nhttps://hackmd.io/@haindpwn/libaec-se-decode-fs-signedness-oob-read\nhttps://www.vulncheck.com/advisories/libaec-through-1.1.7-out-of-bounds-read-via-m-se-decode-second-extension-decoder"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.1.7]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "libaec", "source": "cna", "vendor": "Deutsches Klimarechenzentrum"}, "product": "libaec", "vendor": "deutsches_klimarechenzentrum"}], "created": "2026-11-02T15:45:17.787713+00:00", "updated": "2026-11-03T16:26:03.880417+00:00", "vendors": ["deutsches_klimarechenzentrum", "deutsches_klimarechenzentrum$PRODUCT$libaec"]}