Buffer overflow in Facebook Hermes
CVE-2020-1912
An out-of-bounds read/write vulnerability when executing lazily compiled inner generator functions in Facebook Hermes prior to commit 091835377369c8fd5917d9b87acffa721ad2a168 allows attackers to potentially execute arbitrary code via craft…
Vulnerability class: Buffer Overflow
EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Facebook Hermes — versions commit prior to 091835377369c8fd5917d9b87acffa721ad2a168
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-assign@fb.com (x_refsource_CONFIRM, Vendor Advisory)
- cve-assign@fb.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1912?
- CVE-2020-1912 is a high-severity vulnerability in Facebook Hermes, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2020-09-09.
- How severe is CVE-2020-1912?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2020-1912 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.