CVE Explorer
CVE-2026-53763
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 workaro
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"optee_os","vendor":"OP-TEE","versions":[{"status":"affected","version":">= 3.0.0, < 4.11.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3c082a865e94d3aa70981cf0741ef9c94348b8a66cc764a53aac470a727e75cb · sha256:10278d70fce69461… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.8,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","version":"3.0"},"metric_type":"cvssV3_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3c082a865e94d3aa70981cf0741ef9c94348b8a66cc764a53aac470a727e75cb · sha256:10278d70fce69461… · /containers/cna/metrics/0/cvssV3_0
CWE assertions
1 source assertion{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3c082a865e94d3aa70981cf0741ef9c94348b8a66cc764a53aac470a727e75cb · sha256:10278d70fce69461… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3c082a865e94d3aa70981cf0741ef9c94348b8a66cc764a53aac470a727e75cb · sha256:10278d70fce69461… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.