{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85977 exists.","fix":"Apply the vendor's patch.","what":"CVE-2026-85977 is a medium-severity denial of service vulnerability in Red Hat Enterprise Linux 10, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-85977 and fix it if it is affected.\n\nWhat it is: CVE-2026-85977 is a medium-severity denial of service vulnerability in Red Hat Enterprise Linux 10, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85977 exists.\n\nAffected product: Red Hat Enterprise Linux 10. 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-2026-85977/ (Markdown: https://insights.sbomify.com/CVE-2026-85977/index.md)","id":"CVE-2026-85977","markdown":"https://insights.sbomify.com/CVE-2026-85977/index.md","name":"CVE-2026-85977","record":{"aliases":["BELL-CVE-2026-85977","DEBIAN-CVE-2026-85977","ECHO-8a89-e7cc-2f31","GHSA-vc3g-5238-rmmw","RHSA-2026:80360","UBUNTU-CVE-2026-85977"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"RPC library","requires_auth":"none","summary":"A remote attacker can cause a denial of service in applications using libtirpc by sending crafted portmapper responses that trigger unbounded memory allocation.","user_interaction":"required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-1050","name":"Excessive Platform Resource Consumption within a Loop"}],"description":"A flaw was found in libtirpc. A remote attacker can exploit this vulnerability by sending specially crafted PMAPPROC_DUMP replies to a client application that uses the pmap_getmaps() function against an attacker-controlled host. This unbounded decoding can lead to excessive memory and CPU allocation, causing the client process to experience a Denial of Service (DoS) due to resource exhaustion.","ecosystems":["Red Hat:hummingbird:1"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"Libtirpc: libtirpc: denial of service via unbounded memory allocation during portmapper response decoding","id":"CVE-2026-85977","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":2,"n_references":3,"next":{"headline":"Unauthenticated Remote Code Execution in Akana API Platform","id":"CVE-2026-85978"},"packages":[{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.3.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"libtirpc","purl":"pkg:rpm/redhat/libtirpc","source":"RHSA-2026:80360"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.3.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"libtirpc-devel","purl":"pkg:rpm/redhat/libtirpc-devel","source":"RHSA-2026:80360"}],"prev":{"headline":"HTTP response splitting in Progress MarkLogic Server Query Console","id":"CVE-2026-85976"},"products":["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","Red Hat Hardened Images","Red Hat OpenShift Container Platform 4"],"published":"2026-10-16","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-10-19","vendors":["Red Hat"]},"summary":"A remote attacker can cause a denial of service in applications using libtirpc by sending crafted portmapper responses that trigger unbounded memory allocation.","url":"https://insights.sbomify.com/CVE-2026-85977/"}