01 Record
CVE-2018-6339
When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data being passed in. An off-by-one error meant that data was written beyond the
UnratedPUBLISHEDCNA: facebook
CNA base scoreUnratedNo CNA CVSS vector
02 Description
When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data being passed in. An off-by-one error meant that data was written beyond the
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 74.4% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-06-14 17:02Z7 YR AGO
- Last updated
- 2024-08-05 06:01Z2 YR AGO
- Reserved
- 2018-01-26
- Assigning CNA
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- b47f194900dda4d158b481f79bd97a53a68cbde9e6a47108c5c04071862fa009
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.facebook.comhttps://www.facebook.com/security/advisories/cve-2018-6339/