{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2011-4939 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2011-4939 is a medium-severity vulnerability in Pidgin Pidgin, published on 15 Mar 2012. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2011-4939 and fix it if it is affected.\n\nWhat it is: CVE-2011-4939 is a medium-severity vulnerability in Pidgin Pidgin, published on 15 Mar 2012. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2011-4939 in the wild and no public exploit code.\n\nAffected product: Pidgin Pidgin. 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-2011-4939/ (Markdown: https://insights.sbomify.com/CVE-2011-4939/index.md)","id":"CVE-2011-4939","markdown":"https://insights.sbomify.com/CVE-2011-4939/index.md","name":"CVE-2011-4939","record":{"aliases":["DEBIAN-CVE-2011-4939","GHSA-fqpj-4v5c-wf35"],"analysis":{"component_type":"desktop_application","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Pidgin instant messenger","requires_auth":"low_privilege","summary":"Remote attackers can crash Pidgin by changing nicknames in XMPP chats, causing a denial of service via null pointer dereference.","user_interaction":"not_required","vuln_class":"null_dereference"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"pidgin","vendor":"pidgin"}],"cvss":{"score":6.4,"severity":"medium","source":"nvd","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","version":"2.0"},"cwes":[{"id":"CWE-264","name":null}],"description":"The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room.","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":"Null dereference in n/a","id":"CVE-2011-4939","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"pidgin:pidgin","products":["pidgin:pidgin"],"type":"null_dereference","year":"2011"},"n_packages":0,"n_references":6,"next":{"headline":"Cross-site scripting in n/a","id":"CVE-2011-4940"},"packages":[],"prev":{"headline":"Cross-site scripting in Ariadne","id":"CVE-2011-4938"},"products":["n/a"],"published":"2012-03-15","related":[{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2013-6490","kev_date_added":null,"published":"2014-02-06"},{"cvss_score":9.8,"headline":"Code injection in n/a","id":"CVE-2016-1000030","kev_date_added":null,"published":"2018-09-05"},{"cvss_score":9.3,"headline":"Command injection in n/a","id":"CVE-2013-6486","kev_date_added":null,"published":"2014-02-06"},{"cvss_score":9.3,"headline":"Command injection in n/a","id":"CVE-2011-3185","kev_date_added":null,"published":"2011-08-29"},{"cvss_score":9.3,"headline":"Integer overflow in n/a","id":"CVE-2009-1376","kev_date_added":null,"published":"2009-05-26"},{"cvss_score":9,"headline":"Command injection in n/a","id":"CVE-2007-3841","kev_date_added":null,"published":"2007-07-17"},{"cvss_score":7.5,"headline":"Integer overflow in n/a","id":"CVE-2013-6487","kev_date_added":null,"published":"2014-02-06"}],"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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-07","vendors":["n/a"]},"summary":"Remote attackers can crash Pidgin by changing nicknames in XMPP chats, causing a denial of service via null pointer dereference.","url":"https://insights.sbomify.com/CVE-2011-4939/"}