CVE-2026-12706 (GCVE-0-2026-12706)

Vulnerability from cvelistv5 – Published: 2026-06-19 10:55 – Updated: 2026-06-22 19:28
VLAI
Title
Ffmpeg: ffmpeg: heap use-after-free read in rasc decoder decode_move()
Summary
A use-after-free vulnerability was found in FFmpeg's RASC video decoder. The decode_move() function initializes a read pointer into a decompressed buffer, but a subsequent reallocation of that same buffer during move-table processing leaves the pointer dangling. An attacker could exploit this by providing a specially crafted AVI file containing a malicious RASC video stream. When a user opens or plays the file, the decoder reads from freed heap memory, which could lead to a denial of service (crash).
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 19:27 UTC
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1082 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Red Hat Red Hat Enterprise Linux AI (RHEL AI) 3     cpe:/a:redhat:enterprise_linux_ai:3
Create a notification for this product.
Red Hat Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
Create a notification for this product.
Date Public
2026-05-01 00:00
Credits
Upstream acknowledges Seung Min Shin as the original reporter.
Show details on NVD website
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        "datePublished": "2026-06-19T10:55:03.634Z",
        "dateReserved": "2026-06-19T10:26:41.217Z",
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      },
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    }
  }
}



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