{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22485 exists.","fix":"Upgrade to a fixed version.","what":"CVE-2023-22485 is a medium-severity vulnerability in github cmark-gfm, published on 24 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-22485 and fix it if it is affected.\n\nWhat it is: CVE-2023-22485 is a medium-severity vulnerability in github cmark-gfm, published on 24 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22485 exists.\n\nAffected product: github cmark-gfm. 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-2023-22485/ (Markdown: https://insights.sbomify.com/CVE-2023-22485/index.md)","id":"CVE-2023-22485","markdown":"https://insights.sbomify.com/CVE-2023-22485/index.md","name":"CVE-2023-22485","record":{"aliases":["DEBIAN-CVE-2023-22485","GHSA-c944-cv5f-hpvr","UBUNTU-CVE-2023-22485"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Markdown parsing library","requires_auth":"none","summary":"A crafted markdown document triggers an out-of-bounds read in cmark-gfm, potentially causing a crash or denial of service.","user_interaction":"not_required","vuln_class":"other"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"cmark-gfm","vendor":"github"}],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-91","name":"XML Injection"},{"id":"CWE-125","name":"Out-of-bounds Read"}],"description":"cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0.29.0.gfm.7, a crafted markdown document can trigger an out-of-bounds read in the `validate_protocol` function. We believe this bug is harmless in practice, because the out-of-bounds read accesses `malloc` metadata without causing any visible damage.This vulnerability has been patched in 0.29.0.gfm.7.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"cmark-gfm out-of-bounds read in validate_protocol","id":"CVE-2023-22485","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"other","year":"2023"},"n_packages":0,"n_references":1,"next":{"headline":"cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service","id":"CVE-2023-22486"},"packages":[],"prev":{"headline":"Inefficient Quadratic complexity bug in handle_pointy_brace may lead to a denial of service","id":"CVE-2023-22484"},"products":["cmark-gfm"],"published":"2023-01-24","related":[{"cvss_score":9.8,"headline":"CommonMarker Integer Overflow Vulnerability","id":"CVE-2024-22051","kev_date_added":null,"published":"2024-01-04"},{"cvss_score":6.4,"headline":"Quadratic complexity bugs may lead to a denial of service","id":"CVE-2023-37463","kev_date_added":null,"published":"2023-07-13"},{"cvss_score":5.3,"headline":"Quadratic complexity may lead to a denial of service in cmark-gfm","id":"CVE-2023-24824","kev_date_added":null,"published":"2023-03-31"},{"cvss_score":5.3,"headline":"Quadratic complexity may lead to a denial of service in cmark-gfm","id":"CVE-2023-26485","kev_date_added":null,"published":"2023-03-31"},{"cvss_score":3.5,"headline":"cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service","id":"CVE-2023-22486","kev_date_added":null,"published":"2023-01-24"},{"cvss_score":3.5,"headline":"cmark-gfm Quadratic complexity bugs may lead to a denial of service","id":"CVE-2023-22483","kev_date_added":null,"published":"2023-01-23"}],"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":"yes","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-03-10","vendors":["github"]},"summary":"A crafted markdown document triggers an out-of-bounds read in cmark-gfm, potentially causing a crash or denial of service.","url":"https://insights.sbomify.com/CVE-2023-22485/"}