CVE-2026-112053

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{"bugzilla": {"description": "schroedinger: schroedinger: Denial of Service via out-of-bounds read", "id": "2554790", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554790"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["Schroedinger libschroedinger through 1.0.11 contains an out-of-bounds read vulnerability that allows attackers to read past a static quantiser table by supplying unvalidated wavelet filter index or transform depth values. Attackers can deliver a crafted low-delay Dirac stream with a wavelet filter index of 7 or more or transform depth of 5 or 6 to crash decoding applications.", "A flaw was found in schroedinger. This vulnerability allows an attacker to cause a Denial of Service (DoS) by crashing the decoding application. By tricking a user into opening a specially crafted Dirac video stream with invalid parameter values, an attacker can trigger an out-of-bounds read, resulting in abnormal application termination."], "mitigation": {"lang": "en:us", "value": "Avoid decoding untrusted Dirac streams; no upstream fix is available or forthcoming. Community maintainers may carry the writeup's proposed downstream patch (reject filter index >= SCHRO_N_WAVELETS, clamp depth column to 0-3, reject zero slice denominators) or mark wontfix given the abandoned upstream."}, "name": "CVE-2026-112053", "public_date": "2026-10-18T12:19:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-112053\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-112053\nhttps://github.com/Distrotech/schroedinger/blob/schroedinger-1.0.11/schroedinger/schroparams.c#L463\nhttps://hackmd.io/@haindpwn/schroedinger-lowdelay-quant-matrix-oob\nhttps://www.vulncheck.com/advisories/schroedinger-libschroedinger-through-1.0.11-out-of-bounds-read-via-schro-params-set-default-quant-matrix"], "statement": "An out-of-bounds read exists in the libschroedinger low-delay Dirac decoder (schro_params_set_default_quant_matrix indexing schro_tables_lowdelay_quants[7][4][9] with an unvalidated wavelet_filter_index and transform_depth). No Red Hat product streams ship schroedinger (0 RH-scoped newtopia hits); Fedora and EPEL community streams ship the affected final release 1.0.11. No upstream fix exists (project abandoned since 2012, unsupported-when-assigned). Impact is a reliable crash (DoS) only - no OOB write, no info disclosure (values clamped 0-60), no code execution.", "threat_severity": "Moderate"}

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