Bug 2497457 (CVE-2026-53763) - CVE-2026-53763 OP-TEE: OP-TEE: Data integrity compromise due to integer overflow in AES-GCM
Summary: CVE-2026-53763 OP-TEE: OP-TEE: Data integrity compromise due to integer overf...
Keywords:
Status: NEW
Alias: CVE-2026-53763
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2497690
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-06 20:02 UTC by OSIDB Bzimport
Modified: 2026-07-07 12:30 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-07-06 20:02:16 UTC 
OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.0.0 and prior to version 4.11.0, 32-bit integer overflows in OP-TEE core's AES-GCM implementation cause the authentication tag to be computed with incorrect bit-length values after processing more than 512 megabytes of payload or Additional Authenticated Data (AAD). Version 4.11.0 contains a patch. No known workarounds are available.
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