02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: facebookVarious APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- 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
- 1.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 72.1% 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:3.1/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.
SCHEMA: 5.1
- Published
- 2019-12-04 16:25Z6 YR AGO
- Last updated
- 2024-08-04 23:10Z2 YR AGO
- Reserved
- 2019-05-13
- Assigning CNA
- facebook
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-626Null Byte Interaction Error (Poison Null Byte)Variant
- Data version
- 5.1
- Document digest
- 45cb7247c1b285e2cf20ac3bd0cf960a649fb569b9ec79fb3069add3a252c0e0
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
FacebookHHVM4.28.2, 4.28.0 to < unspecified, 4.27.1, 4.27.0 to < unspecified, 4.26.1, 4.26.0 to < unspecified, 4.25.1, 4.25.0 to < unspecified, 4.24.1, 4.24.0 to < unspecified, 4.23.2, 4.9.0 to < unspecified, 4.8.6, 4.0.0 to < unspecified, 3.30.12, < 3.30.12—