{"answers":{"affected":"It affects 3 products.","exploited":"There is no known exploitation of CVE-2026-12528 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-12528 is a medium-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 17 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-12528 and fix it if it is affected.\n\nWhat it is: CVE-2026-12528 is a medium-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 17 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-12528 in the wild and no public exploit code.\n\nAffected product: Redhat Enterprise Linux. 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-2026-12528/ (Markdown: https://insights.sbomify.com/CVE-2026-12528/index.md)","id":"CVE-2026-12528","markdown":"https://insights.sbomify.com/CVE-2026-12528/index.md","name":"CVE-2026-12528","record":{"aliases":["DEBIAN-CVE-2026-12528","GHSA-jf4x-778m-8cj9","UBUNTU-CVE-2026-12528"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["code_execution","denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"389 Directory Server","requires_auth":"low_privilege","summary":"An authenticated user can trigger heap buffer overflows in 389 Directory Server via crafted ACI strings, potentially leading to code execution or crashes.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"389_directory_server","vendor":"redhat"},{"product":"directory_server","vendor":"redhat"},{"product":"enterprise_linux","vendor":"redhat"}],"cvss":{"score":5.4,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"description":"A flaw was found in 389 Directory Server in the __aclp__normalize_acltxt() function of aclparse.c. A malformed ACI (Access Control Instruction) string can trigger heap-buffer-overflow writes and reads during ACI parsing. The function fails to validate that the ACI keyword has sufficient length after whitespace stripping, leading to a 1-byte out-of-bounds write and subsequent out-of-bounds reads. An authenticated user with write access to the aci attribute could send a crafted ACI value to silently corrupt heap memory in the directory server process.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"389-ds-base: 389-ds-base: heap-buffer-overflows in __aclp__normalize_acltxt()","id":"CVE-2026-12528","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"redhat:enterprise_linux","products":["redhat:enterprise_linux"],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"Missing authorization in CET Automated Grading System with AI Predictive Analytics","id":"CVE-2026-12529"},"packages":[],"prev":{"headline":"Missing authorization in V380 IP Camera / AppFHE1 V1.0.6.0","id":"CVE-2026-12527"},"products":["Red Hat Directory Server 11","Red Hat Directory Server 12","Red Hat Directory Server 13","Red Hat Enterprise Linux 10","Red Hat Enterprise Linux 6","Red Hat Enterprise Linux 7","Red Hat Enterprise Linux 8","Red Hat Enterprise Linux 9"],"published":"2026-06-17","related":[{"cvss_score":7.5,"headline":"389-ds-base: 389-ds-base: pre-auth ldap filter injection in cleanallruv status check","id":"CVE-2026-11770","kev_date_added":null,"published":"2026-07-31"},{"cvss_score":7.5,"headline":"Memory corruption in Red Hat Directory Server 11.5 E4S for RHEL 8","id":"CVE-2026-15722","kev_date_added":null,"published":"2026-07-31"},{"cvss_score":7.5,"headline":"Denial of service in Red Hat Directory Server 11.5 E4S for RHEL 8","id":"CVE-2026-9064","kev_date_added":null,"published":"2026-05-20"},{"cvss_score":7.5,"headline":"Null dereference in Red Hat Directory Server","id":"CVE-2010-2222","kev_date_added":null,"published":"2019-11-05"},{"cvss_score":6.5,"headline":"389-ds-base: 389-ds-base: content sync plugin unbounded queue growth and race conditions","id":"CVE-2026-11611","kev_date_added":null,"published":"2026-06-08"},{"cvss_score":6.5,"headline":"389-ds-base: unauthenticated user can trigger a dos by sending a specific extended search request","id":"CVE-2024-6237","kev_date_added":null,"published":"2024-07-09"},{"cvss_score":6.5,"headline":"Null dereference in 389-ds-base","id":"CVE-2021-3514","kev_date_added":null,"published":"2021-05-28"}],"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)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-06-17","vendors":["Red Hat"]},"summary":"An authenticated user can trigger heap buffer overflows in 389 Directory Server via crafted ACI strings, potentially leading to code execution or crashes.","url":"https://insights.sbomify.com/CVE-2026-12528/"}