Service interrupt via improperly validated decoder input
Published Jan 18, 2024 · Updated Jun 20, 2025
Out-of-bounds write in the video decoder on Unisoc chipsets running Android 11 or 12 allows remote attackers to interrupt decoding via crafted input. The decoder improperly validates untrusted input before writing beyond a destination buffer boundary, but Unisoc has not identified the code locus or malformed field. No privileges or user interaction are required; the reported consequence is limited to availability, and the interruption mode is undisclosed.
Summary
What happened
Out-of-bounds write in the video decoder on Unisoc chipsets running Android 11 or 12 allows remote attackers to interrupt decoding via crafted input. The decoder improperly validates untrusted input before writing beyond a destination buffer boundary, but Unisoc has not identified the code locus or malformed field. No privileges or user interaction are required; the reported consequence is limited to availability, and the interruption mode is undisclosed.
The record
- CVE
- CVE-2023-48340
- Published
- Jan 18, 2024
- Updated
- Jun 20, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787, T1499
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 18, 2024CVE publishedPublication date reported by the CVE source.
- Jun 20, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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