{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2016-5699 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2016-5699 is a medium-severity vulnerability in Python Python, published on 2 Sep 2016. 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-2016-5699 and fix it if it is affected.\n\nWhat it is: CVE-2016-5699 is a medium-severity vulnerability in Python Python, published on 2 Sep 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2016-5699 in the wild and no public exploit code.\n\nAffected product: Python Python. 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-2016-5699/ (Markdown: https://insights.sbomify.com/CVE-2016-5699/index.md)","id":"CVE-2016-5699","markdown":"https://insights.sbomify.com/CVE-2016-5699/index.md","name":"CVE-2016-5699","record":{"aliases":["AZL-109611","DEBIAN-CVE-2016-5699","GHSA-mfrc-633m-gcwg","PSF-2016-8","UBUNTU-CVE-2016-5699"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["data_modify","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Python standard library","requires_auth":"none","summary":"Remote attackers can inject arbitrary HTTP headers via CRLF sequences in URLs using Python's urllib, potentially bypassing security controls.","user_interaction":"required","vuln_class":"other"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"python","vendor":"python"}],"cvss":{"score":6.1,"severity":"medium","source":"nvd","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.0"},"cwes":[{"id":"CWE-113","name":"Improper Neutralization of CRLF Sequences in HTTP Headers"}],"description":"CRLF injection vulnerability in the HTTPConnection.putheader function in urllib2 and urllib in CPython (aka Python) before 2.7.10 and 3.x before 3.4.4 allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in a URL.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2016-06-23","github_poc":2,"max_poc_stars":4,"metasploit":0,"nuclei":0,"refs":[{"date":"2016-06-23T14:01:20Z","kind":"github_poc","ref":"https://github.com/bunseokbot/CVE-2016-5699-poc","stars":4,"title":"PoC code of CVE-2016-5699 Vulnerability"},{"date":"2016-08-23T03:06:22Z","kind":"github_poc","ref":"https://github.com/shajinzheng/cve-2016-5699-jinzheng-sha","stars":0,"title":"Reading Course Report"}],"tier":"poc_unverified"},"has_fix":true,"headline":"Other in n/a","id":"CVE-2016-5699","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"python:python","products":["python:python"],"type":"other","year":"2016"},"n_packages":0,"n_references":19,"next":{"headline":"Other in n/a","id":"CVE-2016-5700"},"packages":[],"prev":{"headline":"Ruby-saml allows attackers to perform XML signature wrapping attacks","id":"CVE-2016-5697"},"products":["n/a"],"published":"2016-09-02","related":[{"cvss_score":10,"headline":"Integer overflow in n/a","id":"CVE-2008-5031","kev_date_added":null,"published":"2008-11-10"},{"cvss_score":9.8,"headline":"Path traversal in n/a","id":"CVE-2014-4650","kev_date_added":null,"published":"2020-02-20"},{"cvss_score":9.8,"headline":"Integer overflow in n/a","id":"CVE-2016-5636","kev_date_added":null,"published":"2016-09-02"},{"cvss_score":9.8,"headline":"Path traversal in n/a","id":"CVE-2007-4559","kev_date_added":null,"published":"2007-08-28"},{"cvss_score":8.8,"headline":"Command injection in n/a","id":"CVE-2017-17522","kev_date_added":null,"published":"2017-12-14"},{"cvss_score":8.7,"headline":"Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations","id":"CVE-2026-15308","kev_date_added":null,"published":"2026-07-09"},{"cvss_score":7.8,"headline":"Privilege escalation in n/a","id":"CVE-2019-13404","kev_date_added":null,"published":"2019-07-08"}],"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)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-06","vendors":["n/a"]},"summary":"Remote attackers can inject arbitrary HTTP headers via CRLF sequences in URLs using Python's urllib, potentially bypassing security controls.","url":"https://insights.sbomify.com/CVE-2016-5699/"}