02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: facebookxbuf_format_converter, used as part of exif_read_data, was appending a terminating null character to the generated string, but was not using its standard append char function. As a result, if the
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
- 1.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 70.3% 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
- 2021-03-10 15:50Z5 YR AGO
- Last updated
- 2024-08-04 06:53Z2 YR AGO
- Reserved
- 2019-12-02
- Assigning CNA
- facebook
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 3a430e3d04a71c1286f5d0422e064f5628b9fd63aa0d2eee834a3fa4b6bc3a9c
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
FacebookHHVM4.98.0, 4.97.0, 4.96.0, 4.95.0, 4.94.0, 4.81.0 to < unspecified, 4.57.0 to < unspecified, < 4.56.3—