CVE-2019-11419

Name: CVE-2019-11419
Creator: NVD / NIST
Published: 2019-05-14T19:29:00.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 4.03%

Last modified Jun 17, 2026

CVE-2019-11419 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 4.03% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

4.03%

89.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Tencent	Wechat	<= 7.0.3

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

Timeline

Published: May 14, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11419?

How severe is CVE-2019-11419?

CVE-2019-11419 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 4.03% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11419?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11419?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST