SARA / Free Tools / CVE / CVE-2018-6344

CVE-2018-6344 — A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent

A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent after a call is established. The vulnerability can be used to cause denial of service. It affects WhatsApp for Android prior to v2.18.293, WhatsApp for iOS prior to v2.18.93, and WhatsApp for Windows

CVSS
— —
EPSS
0.56% (top 32.20%)
CWE
CWE-122
Published
2018-12-31T22:00:00.000Z
Last modified
2025-05-06T16:02:35.127Z
CVSS vector
—

01What is this vulnerability?

A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent after a call is established. The vulnerability can be used to cause denial of service. It affects WhatsApp for Android prior to v2.18.293, WhatsApp for iOS prior to v2.18.93, and WhatsApp for Windows Phone prior to v2.18.172.

02Affected products

VendorProductVersions
FacebookWhatsApp for Android2.18.293, unspecified
FacebookWhatsApp for iOS2.18.93, unspecified
FacebookWhatsApp for Windows Phone2.18.172, unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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