{"answers":{"affected":"It affects 3 products.","exploited":"There is no known exploitation of CVE-2026-11787 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-11787 is a medium-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 9 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-2026-11787 and fix it if it is affected.\n\nWhat it is: CVE-2026-11787 is a medium-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 9 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-2026-11787 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-2026-11787/ (Markdown: https://insights.sbomify.com/CVE-2026-11787/index.md)","id":"CVE-2026-11787","markdown":"https://insights.sbomify.com/CVE-2026-11787/index.md","name":"CVE-2026-11787","record":{"aliases":["DEBIAN-CVE-2026-11787","GHSA-wjcg-9hh3-8323","UBUNTU-CVE-2026-11787"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["denial_of_service","data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"LDAP directory server","requires_auth":"low_privilege","summary":"A heap buffer over-read in 389 Directory Server allows attackers to potentially crash the service or leak memory contents via crafted string filters.","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,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"cwes":[{"id":"CWE-126","name":"Buffer Over-read"}],"description":"A flaw was found in 389 Directory Server. The ldap_utf8prev() function reads bytes before the start of a buffer without bounds checking, causing a heap buffer over-read in string filter parsing that may influence internal filter processing behavior.","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 over-read in ldap_utf8prev() via str2simple filter parsing","id":"CVE-2026-11787","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":2,"next":{"headline":"389-ds-base: 389-ds-base: null pointer dereference in deref control plugin ber parser","id":"CVE-2026-11788"},"packages":[],"prev":{"headline":"389-ds-base: 389-ds-base: heap out-of-bounds read in ldif parser str2entry_state_information_from_type()","id":"CVE-2026-11786"},"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":"2026-06-09","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":"2026-06-30","vendors":["Red Hat"]},"summary":"A heap buffer over-read in 389 Directory Server allows attackers to potentially crash the service or leak memory contents via crafted string filters.","url":"https://insights.sbomify.com/CVE-2026-11787/"}