What’s Vulnerable › Vulnerabilities

CVE-2019-11419

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-14 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Tencent WeChat: through 7.0.3

References

• http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html
• https://awakened1712.github.io/hacking/hacking-wechat-dos/
• https://www.exploit-db.com/exploits/46853
• http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html
• https://awakened1712.github.io/hacking/hacking-wechat-dos/
• https://www.exploit-db.com/exploits/46853

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