{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-33317 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-33317 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-33317 is a high-severity memory corruption vulnerability in OP-TEE optee_os, published on 24 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-33317 and fix it if it is affected.\n\nWhat it is: CVE-2026-33317 is a high-severity memory corruption vulnerability in OP-TEE optee_os, published on 24 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-33317 in the wild and no public exploit code.\n\nAffected product: OP-TEE optee_os. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-33317/ (Markdown: https://insights.sbomify.com/CVE-2026-33317/index.md)","id":"CVE-2026-33317","markdown":"https://insights.sbomify.com/CVE-2026-33317/index.md","name":"CVE-2026-33317","record":{"aliases":["DEBIAN-CVE-2026-33317","GHSA-8cqw-mg7v-c9p9","UBUNTU-CVE-2026-33317"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["data_read","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"OP-TEE Trusted Execution Environment","requires_auth":"low_privilege","summary":"Attackers can trigger out-of-bounds reads and writes in the PKCS#11 Trusted Application, leading to memory disclosure or crashes.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"op-tee","vendor":"trustedfirmware"}],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","version":"3.1"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"},{"id":"CWE-125","name":"Out-of-bounds Read"}],"description":"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. In versions 3.13.0 through 4.10.0, missing checks in `entry_get_attribute_value()`  in `ta/pkcs11/src/object.c` can lead to out-of-bounds read from the PKCS#11 TA heap or a crash. When chained with the OOB read, the PKCS#11 TA function `PKCS11_CMD_GET_ATTRIBUTE_VALUE`  or `entry_get_attribute_value()` can, with a bad template parameter, be tricked into reading at most 7 bytes beyond the end of the template buffer and writing beyond the end of the template buffer with the content of an attribute value of a PKCS#11 object. Commits e031c4e562023fd9f199e39fd2e85797e4cbdca9, 16926d5a46934c46e6656246b4fc18385a246900, and 149e8d7ecc4ef8bb00ab4a37fd2ccede6d79e1ca contain patches and are anticipated to be part of version 4.11.0.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2026-04-30","github_poc":1,"max_poc_stars":0,"metasploit":0,"nuclei":0,"refs":[{"date":"2026-04-30T03:41:48Z","kind":"github_poc","ref":"https://github.com/0xbbdd/CVE-2026-33317","stars":0,"title":"PoC for CVE-2026-33317 OP-TEE PKCS#11 TA out-of-bounds write"}],"tier":"poc_unverified"},"has_fix":false,"headline":"OP-TEE: PKCS#11 TA out-of-bounds read and memory disclosure","id":"CVE-2026-33317","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Actual has Privilege Escalation via 'change-password' Endpoint on OpenID-Migrated Servers","id":"CVE-2026-33318"},"packages":[],"prev":{"headline":"Vikunja’s Improper Access Control Enables Bypass of Administrator-Imposed Account Disablement","id":"CVE-2026-33316"},"products":["optee_os"],"published":"2026-04-24","related":[{"cvss_score":9.8,"headline":"Memory corruption in OP-TEE","id":"CVE-2019-1010292","kev_date_added":null,"published":"2019-07-16"},{"cvss_score":9.8,"headline":"Memory corruption in OP-TEE","id":"CVE-2019-1010293","kev_date_added":null,"published":"2019-07-15"},{"cvss_score":9.8,"headline":"Linaro/OP-TEE OP-TEE 3.3.0 and earlier is affected by: Buffer Overflow.","id":"CVE-2019-1010295","kev_date_added":null,"published":"2019-07-15"},{"cvss_score":9.8,"headline":"Memory corruption in OP-TEE","id":"CVE-2019-1010296","kev_date_added":null,"published":"2019-07-15"},{"cvss_score":9.8,"headline":"Memory corruption in OP-TEE","id":"CVE-2019-1010297","kev_date_added":null,"published":"2019-07-15"},{"cvss_score":9.8,"headline":"Memory corruption in OP-TEE","id":"CVE-2019-1010298","kev_date_added":null,"published":"2019-07-15"},{"cvss_score":9.1,"headline":"Information disclosure in n/a","id":"CVE-2019-25052","kev_date_added":null,"published":"2021-08-11"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-04-24","vendors":["OP-TEE"]},"summary":"Attackers can trigger out-of-bounds reads and writes in the PKCS#11 Trusted Application, leading to memory disclosure or crashes.","url":"https://insights.sbomify.com/CVE-2026-33317/"}