VULNERABILITY INTELLIGENCE

CVE-2019-11419

CVSS score5.5 MEDIUM

EPSS probability4.03%

CISA KEVNot currently listed

Published2019-05-14

Last modified2026-06-17

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

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.

Weakness classification

CWE-476: NULL Pointer Dereference

Primary references

cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Exploit, Technical Description
cve@mitre.org — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry