HOMEVULNERABILITIESCVE-2019-11927
HIGH

CVE-2019-11927

CWE-190Published: September 27, 2019· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images. This issue affects WhatsApp for Android before version 2.19.143 and WhatsApp for iOS before version 2.19.100.

NVD Source

Technical Analysis

CVE-2019-11927 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

whatsapp1 product(s)
whatsapp
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.facebook.com/security/advisories/cve-2019-11927
ADVISORYhttps://www.facebook.com/security/advisories/cve-2019-11927

All References (2)

→
https://www.facebook.com/security/advisories/cve-2019-11927Third Party Advisory
→
https://www.facebook.com/security/advisories/cve-2019-11927Third Party Advisory

Quick Facts

CVE IDCVE-2019-11927
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-190
CISA KEVNo
Affected1 vendor(s)
PublishedSep 27, 2019

Related CVEs (CWE-190)

CVE-2013-2555
10.0
CVE-2012-5835
10.0
CVE-2015-5108
10.0
CVE-2015-5097
10.0
CVE-2010-3254
10.0
CVE-2012-5143
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-11927 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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