{"cveID":"CVE-2025-27363","vendorProject":"FreeType","product":"FreeType","vulnerabilityName":"FreeType Out-of-Bounds Write Vulnerability","dateAdded":"2025-05-06","shortDescription":"FreeType contains an out-of-bounds write vulnerability when attempting to parse font subglyph structures related to TrueType GX and variable font files that may allow for arbitrary code execution.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","dueDate":"2025-05-27","knownRansomwareCampaignUse":"Unknown","notes":"This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://source.android.com/docs/security/bulletin/2025-05-01 ; https://nvd.nist.gov/vuln/detail/CVE-2025-27363","cwes":["CWE-787"],"year":2025,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2025-27363","technique":"T1204.002","technique_name_at_mapping":"Malicious File","mapping_type":"exploitation_technique","capability_group":"oob","comments":"Out of bounds write exists in FreeType that has been exploited through malicious font files, causing the application to crash. ","references":["https://github.com/zhuowei/CVE-2025-27363-proof-of-concept; https://www.helpnetsecurity.com/2025/05/07/actively-exploited-freetype-flaw-fixed-in-android-cve-2025-27363/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"mobile","cve":"CVE-2025-27363","technique":"T1658","technique_name_at_mapping":"Exploitation for Client Execution","mapping_type":"exploitation_technique","capability_group":"out_of_bounds","comments":"Out of bounds write exists in FreeType that has been exploited through malicious font files, causing the application to crash. ","references":["https://github.com/zhuowei/CVE-2025-27363-proof-of-concept; https://www.helpnetsecurity.com/2025/05/07/actively-exploited-freetype-flaw-fixed-in-android-cve-2025-27363/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-mobile.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2025-27363","technique":"T1499.004","technique_name_at_mapping":"Application or System Exploitation","mapping_type":"secondary_impact","capability_group":"oob","comments":"Out of bounds write exists in FreeType that has been exploited through malicious font files, causing the application to crash. ","references":["https://github.com/zhuowei/CVE-2025-27363-proof-of-concept; https://www.helpnetsecurity.com/2025/05/07/actively-exploited-freetype-flaw-fixed-in-android-cve-2025-27363/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2025-27363","technique":"T1574","technique_name_at_mapping":"Hijack Execution Flow","mapping_type":"primary_impact","capability_group":"oob","comments":"Out of bounds write exists in FreeType that has been exploited through malicious font files, causing the application to crash. ","references":["https://github.com/zhuowei/CVE-2025-27363-proof-of-concept; https://www.helpnetsecurity.com/2025/05/07/actively-exploited-freetype-flaw-fixed-in-android-cve-2025-27363/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"mobile","cve":"CVE-2025-27363","technique":"T1625","technique_name_at_mapping":"Hijack Execution Flow","mapping_type":"primary_impact","capability_group":"out_of_bounds","comments":"Out of bounds write exists in FreeType that has been exploited through malicious font files, causing the application to crash. ","references":["https://thehackernews.com/2025/05/google-fixes-actively-exploited-android.html","https://github.com/zhuowei/CVE-2025-27363-proof-of-concept; https://www.helpnetsecurity.com/2025/05/07/actively-exploited-freetype-flaw-fixed-in-android-cve-2025-27363/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-mobile.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"mobile","cve":"CVE-2025-27363","technique":"T1642","technique_name_at_mapping":"Endpoint Denial of Service","mapping_type":"secondary_impact","capability_group":"out_of_bounds","comments":"Out of bounds write exists in FreeType that has been exploited through malicious font files, causing the application to crash. ","references":["https://github.com/zhuowei/CVE-2025-27363-proof-of-concept; https://www.helpnetsecurity.com/2025/05/07/actively-exploited-freetype-flaw-fixed-in-android-cve-2025-27363/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-mobile.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1204.002","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Malicious File","name_at_mapping":"Malicious File","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":39,"has_detection_strategy":true},{"id":"T1499.004","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Application or System Exploitation","name_at_mapping":"Application or System Exploitation","renamed":false,"revoked_by":null,"mapping_types":["secondary_impact"],"sigma_rule_count":3,"has_detection_strategy":true},{"id":"T1574","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Hijack Execution Flow","name_at_mapping":"Hijack Execution Flow","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":8,"has_detection_strategy":true},{"id":"T1625","domains":["mobile"],"in_current_bundle":false,"live":false,"name_now":null,"name_at_mapping":"Hijack Execution Flow","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":0,"has_detection_strategy":false},{"id":"T1642","domains":["mobile"],"in_current_bundle":false,"live":false,"name_now":null,"name_at_mapping":"Endpoint Denial of Service","renamed":false,"revoked_by":null,"mapping_types":["secondary_impact"],"sigma_rule_count":0,"has_detection_strategy":false},{"id":"T1658","domains":["mobile"],"in_current_bundle":false,"live":false,"name_now":null,"name_at_mapping":"Exploitation for Client Execution","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":0,"has_detection_strategy":false}],"mapping_types":["exploitation_technique","primary_impact","secondary_impact"],"has_exploitation_technique":true,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise","mobile"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-24 19:45 UTC","_attack_version":"19.2"}