{"answers":{"affected":"2 open source packages ship an affected version, including uu_ln. It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35373 exists.","fix":"Upgrade uu_ln to 0.6.0 or later.","what":"CVE-2026-35373 is a low-severity denial of service vulnerability in Uutils coreutils, published on 22 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-2026-35373 and fix it if it is affected.\n\nWhat it is: CVE-2026-35373 is a low-severity denial of service vulnerability in Uutils coreutils, published on 22 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35373 exists.\n\nAffected packages and fixed versions:\n- uu_ln (crates.io): affected all versions; fixed in 0.6.0\n- uu_ln (crates.io): affected all versions; fixed in 0.6.0\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-2026-35373/ (Markdown: https://insights.sbomify.com/CVE-2026-35373/index.md)","id":"CVE-2026-35373","markdown":"https://insights.sbomify.com/CVE-2026-35373/index.md","name":"CVE-2026-35373","record":{"aliases":["DEBIAN-CVE-2026-35373","GHSA-jcjr-rh8q-7xqf","UBUNTU-CVE-2026-35373"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"coreutils ln utility","requires_auth":"low_privilege","summary":"The uutils coreutils ln utility fails to create links for non-UTF-8 filenames, causing local denial of service in automated scripts.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"canonical","cpe":[{"product":"coreutils","vendor":"uutils"}],"cvss":{"score":3.3,"severity":"low","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"cwes":[{"id":"CWE-176","name":"Improper Handling of Unicode Encoding"}],"description":"A logic error in the ln utility of uutils coreutils causes the program to reject source paths containing non-UTF-8 filename bytes when using target-directory forms (e.g., ln SOURCE... DIRECTORY). While GNU ln treats filenames as raw bytes and creates the links correctly, the uutils implementation enforces UTF-8 encoding, resulting in a failure to stat the file and a non-zero exit code. In environments where automated scripts or system tasks process valid but non-UTF-8 filenames common on Unix filesystems, this divergence causes the utility to fail, leading to a local denial of service for those specific operations.","ecosystems":["crates.io"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"uutils coreutils ln Local Denial of Service via Improper Handling of Non-UTF-8 Filenames","id":"CVE-2026-35373","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"crates.io","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":2,"n_references":1,"next":{"headline":"uutils coreutils split Arbitrary File Truncation via Time-of-Check to Time-of-Use (TOCTOU) Race Condition","id":"CVE-2026-35374"},"packages":[{"ecosystem":"crates.io","fixed":["0.6.0"],"introduced":["0"],"last_affected":[],"package":"uu_ln","purl":null,"source":"GHSA-jcjr-rh8q-7xqf"},{"ecosystem":"crates.io","fixed":["0.6.0"],"introduced":["0"],"last_affected":[],"package":"uu_ln","purl":"pkg:cargo/uu_ln","source":"GHSA-jcjr-rh8q-7xqf"}],"prev":{"headline":"uutils coreutils ln Security Bypass via Improper Handling of the --no-dereference Flag","id":"CVE-2026-35372"},"products":["coreutils"],"published":"2026-04-22","related":[{"cvss_score":7.3,"headline":"uutils coreutils chmod Path Traversal Bypass of --preserve-root","id":"CVE-2026-35338","kev_date_added":null,"published":"2026-04-22"},{"cvss_score":7.2,"headline":"uutils coreutils chroot Local Privilege Escalation and chroot Escape in via Name Service Switch (NSS) Injection","id":"CVE-2026-35368","kev_date_added":null,"published":"2026-04-22"},{"cvss_score":7.1,"headline":"uutils coreutils mkfifo Unauthorized Permission Change on Existing Files","id":"CVE-2026-35341","kev_date_added":null,"published":"2026-04-22"},{"cvss_score":7,"headline":"uutils coreutils mkfifo Privilege Escalation via TOCTOU Race Condition","id":"CVE-2026-35352","kev_date_added":null,"published":"2026-04-22"},{"cvss_score":6.7,"headline":"uutils coreutils Path-Based Safety Bypass with --preserve-root","id":"CVE-2026-35349","kev_date_added":null,"published":"2026-04-22"},{"cvss_score":6.6,"headline":"uutils coreutils cp Unexpected Privileged Executable Creation with -p","id":"CVE-2026-35350","kev_date_added":null,"published":"2026-04-22"},{"cvss_score":6.6,"headline":"uutils coreutils mv Denial of Service and Data Duplication via Improper Symlink Expansion","id":"CVE-2026-35365","kev_date_added":null,"published":"2026-04-22"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"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":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-04-22","vendors":["Uutils"]},"summary":"The uutils coreutils ln utility fails to create links for non-UTF-8 filenames, causing local denial of service in automated scripts.","url":"https://insights.sbomify.com/CVE-2026-35373/"}