# Out-of-bounds read in Facebook WhatsApp for Android and others

CVE record · `CVE-2018-6350`

- **Identifiers:** `CVE-2018-6350`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** facebook
- **Weakness (CWE):** [CWE-125](https://cwe.mitre.org/data/definitions/125.html)
- **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md)
- **Technologies:** [Facebook WhatsApp for Android](https://agentprime.io/advisories/technology/facebook-whatsapp-for-android.md) · [Facebook WhatsApp Business for Android](https://agentprime.io/advisories/technology/facebook-whatsapp-business-for-android.md) · [Facebook WhatsApp for iOS](https://agentprime.io/advisories/technology/facebook-whatsapp-for-ios.md) · [Facebook WhatsApp Business for iOS](https://agentprime.io/advisories/technology/facebook-whatsapp-business-for-ios.md) · [Facebook WhatsApp for Windows Phone](https://agentprime.io/advisories/technology/facebook-whatsapp-for-windows-phone.md)
- **Published:** 14 Jun 2019
- **Updated:** 5 Aug 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: facebook) at 14 Jun 2019, 17:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Facebook. Product: WhatsApp for Android.
  - affected: `2.18.276`
  - affected: `unspecified to before 2.18.276` (custom)
- Vendor: Facebook. Product: WhatsApp Business for Android.
  - affected: `2.18.99`
  - affected: `unspecified to before 2.18.99` (custom)
- Vendor: Facebook. Product: WhatsApp for iOS.
  - affected: `2.18.100.6`
  - affected: `unspecified to before 2.18.100.6` (custom)
- Vendor: Facebook. Product: WhatsApp Business for iOS.
  - affected: `2.18.100.2`
  - affected: `unspecified to before 2.18.100.2` (custom)
- Vendor: Facebook. Product: WhatsApp for Windows Phone.
  - affected: `2.18.224`
  - affected: `unspecified to before 2.18.224` (custom)

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.017, the 77th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 14 Jun 2019. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2018-6350](https://www.cve.org/CVERecord?id=CVE-2018-6350)
- [NVD: CVE-2018-6350](https://nvd.nist.gov/vuln/detail/CVE-2018-6350)

### References from the CNA

- <https://www.facebook.com/security/advisories/cve-2018-6350/>
- <http://www.securityfocus.com/bid/108803> (vdb-entry, bid)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2018-6350>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2018-6350/>. Everything for agents: <https://agentprime.io/llms.txt>.