CVE-2019-11419
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…
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 4.0%. Treat it as high on anything reachable from the internet.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 4.03% probability · 91th percentile
- Public exploits
- 1 in Exploit-DB · first 16 May 2019
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- tencent/wechat
- Source
- cve@mitre.org
EPSS 4.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- https://awakened1712.github.io/hacking/hacking-wechat-dos/Exploit, Technical Description
- https://www.exploit-db.com/exploits/46853Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- https://awakened1712.github.io/hacking/hacking-wechat-dos/Exploit, Technical Description
- https://www.exploit-db.com/exploits/46853Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.