{"id":"CVE-2019-11419","aliases":["EUVD-2019-3094","GHSA-phxr-r4xw-v9q5"],"status":"published","title":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android...","description":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04025,"percentile":0.9066,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-476"],"published":"2019-05-14T18:03:36Z","modified":"2026-06-17T02:12:53Z","exploits":[{"source":"exploitdb","id":"EDB-46853","title":"WeChat for Android 7.0.4 - 'vcodec2_hls_filter' Denial of Service","type":"dos","platform":"android","date":"2019-05-16","url":"https://www.exploit-db.com/exploits/46853"}],"products":[{"vendor":"tencent","product":"wechat"}],"references":[{"url":"https://awakened1712.github.io/hacking/hacking-wechat-dos/","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description"]},{"url":"http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/46853","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11419"},{"url":"https://github.com/advisories/GHSA-phxr-r4xw-v9q5"}],"sources":{"cve":[{"id":"CVE-2019-11419","description":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.","status":"published","published":"2019-05-14T18:03:36Z","modified":"2024-08-04T22:55:40.833Z","updated_at":"2026-11-02T14:20:26.416173Z"}],"euvd":[{"id":"EUVD-2019-3094","description":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.","status":"published","published":"2019-05-14T18:03:36Z","modified":"2024-08-04T22:55:40Z","updated_at":"2026-11-03T02:40:49.362838Z"}],"ghsa":[{"id":"GHSA-phxr-r4xw-v9q5","title":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android...","description":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.","status":"published","published":"2022-05-24T16:45:39Z","modified":"2023-03-01T15:30:26Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:54:15.073729Z"}],"nvd":[{"id":"CVE-2019-11419","description":"vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.","status":"published","published":"2019-05-14T19:29:00.373Z","modified":"2026-06-17T02:12:53.67Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:05:13.880207Z"}]}}