Buffer overflow in Facebook Hhvm
CVE-2019-11925
Insufficient boundary checks when processing the JPEG APP12 block marker in the GD extension could allow access to out-of-bounds memory via a maliciously constructed invalid JPEG input. This issue affects HHVM versions prior to 3.30.9, all…
Vulnerability class: Buffer Overflow
EPSS: 0.021 (79.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Facebook Hhvm — versions 4.21.0, 4.20.2, 4.20.0
Weakness classification (CWE)
References
- cve-assign@fb.com (x_refsource_CONFIRM, Patch)
- cve-assign@fb.com (x_refsource_CONFIRM, Third Party Advisory)
- cve-assign@fb.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-11925?
- CVE-2019-11925 is a critical-severity vulnerability in Facebook Hhvm, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-09-06.
- How severe is CVE-2019-11925?
- Critical severity. CVSS v3 base score is 9.8 out of 10.