CVE-2026-112054

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{"bugzilla": {"description": "schroedinger: schroedinger: Denial of Service via divide-by-zero error in Dirac stream parsing", "id": "2554788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554788"}, "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-369", "details": ["Schroedinger libschroedinger through 1.0.11 contains a divide by zero vulnerability that allows attackers to crash applications by supplying a zero slice_bytes_denom or slice count in a Dirac stream. Attackers can provide a crafted low-delay picture parsed by schro_decoder_parse_transform_parameters and schro_decoder_parse_lowdelay_transform_data to trigger a SIGFPE and cause denial of service.", "A flaw was found in schroedinger. By tricking a user or application into processing a specially crafted Dirac video stream, an attacker can trigger a division-by-zero condition during the parsing of low-delay transform parameters. This failure causes the application to crash unexpectedly, resulting in a Denial of Service (DoS)."], "mitigation": {"lang": "en:us", "value": "Avoid decoding untrusted Dirac streams with applications linked against libschroedinger. The Fedora/EPEL schroedinger package ships the unpatched upstream 1.0.11; upstream is abandoned, so remediation requires a downstream patch (reject zero slice_bytes_denom / n_horiz_slices / n_vert_slices, as proposed in the researcher writeup) or package retirement."}, "name": "CVE-2026-112054", "public_date": "2026-10-18T12:19:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-112054\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-112054\nhttps://github.com/Distrotech/schroedinger/blob/schroedinger-1.0.11/schroedinger/schrodecoder.c#L2932\nhttps://hackmd.io/@haindpwn/schroedinger-lowdelay-quant-matrix-oob\nhttps://www.vulncheck.com/advisories/schroedinger-libschroedinger-through-1.0.11-divide-by-zero-in-low-delay-transform-parsing"], "statement": "A divide-by-zero flaw was found in libschroedinger's low-delay Dirac transform parsing. A crafted Dirac stream with a zero slice_bytes_denom or zero slice count reaches an unguarded integer division (schrodecoder.c:2932 and schrolowdelay.c sinks), causing a SIGFPE application crash (denial of service). User interaction is required to process an attacker-supplied stream; the upstream project has been abandoned since 2012 and no fixed release exists.", "threat_severity": "Moderate"}

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