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CVE-2019-11419

MEDIUM
5.5
CVSS Score
Published: May 14, 2019 at 06:03 PM UTC
Updated: June 17, 2026 at 02:12 AM UTC
1 product affected across 1 vendorWeChat

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Severity
MEDIUM5.5
Exploit prediction
EPSS 4%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WeChat· Tencent
95%
v ≤ 7.0.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html
x_refsource_MISCExploitTechnical Description
Source: [email protected]
https://awakened1712.github.io/hacking/hacking-wechat-dos/
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/46853

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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