EUVD-2026-44654
GHSA-p5fp-xrqh-wqj4
Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
OOB read in codec triggered by opening a crafted image (UI:R); read-primitive can leak memory (C:L); no integrity impact; local vector retained per description.
Primary rating from Vendor (huawei).
CVSS VectorVendor: huawei
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
1DescriptionCVE.org
Out-of-bounds read vulnerability in the image codec module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
AnalysisAI
Out-of-bounds read in HarmonyOS's image codec module can be triggered locally, with potential impact to service confidentiality and availability. Huawei disclosed this via its July 2026 security bulletin family covering consumer devices, vision products, wearables, and laptops - indicating broad exposure across the HarmonyOS device ecosystem. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Local access to a HarmonyOS device is required - AV:L confirms this is not remotely exploitable over a network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD-assigned CVSS 3.1 base score is 4.0 (Medium) with vector AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local, unprivileged user on a HarmonyOS device crafts or obtains a malformed image file designed to trigger the out-of-bounds read in the image codec module. When the image is processed - for example, via a gallery app or messaging client rendering an attachment - the codec reads past the end of an allocated buffer, potentially leaking adjacent heap contents or crashing the decoding service. … |
| Remediation | The primary remediation is to apply the patches detailed in Huawei's July 2026 security bulletins. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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