Vulnerability Description
Insufficient boundary checks when processing M_SOFx markers from JPEG headers 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 versions between 4.0.0 and 4.8.3, all versions between 4.9.0 and 4.15.2, and versions 4.16.0 to 4.16.3, 4.17.0 to 4.17.2, 4.18.0 to 4.18.1, 4.19.0, 4.20.0 to 4.20.1.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hhvm | <= 3.30.9 |
Related Weaknesses (CWE)
References
- https://github.com/facebook/hhvm/commit/f9680d21beaa9eb39d166e8810e29fbafa51ad15PatchThird Party Advisory
- https://hhvm.com/blog/2019/09/03/security-update.htmlThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11926Vendor Advisory
- https://github.com/facebook/hhvm/commit/f9680d21beaa9eb39d166e8810e29fbafa51ad15PatchThird Party Advisory
- https://hhvm.com/blog/2019/09/03/security-update.htmlThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11926Vendor Advisory
FAQ
What is CVE-2019-11926?
CVE-2019-11926 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Insufficient boundary checks when processing M_SOFx markers from JPEG headers in the GD extension could allow access to out-of-bounds memory via a maliciously constructed invalid JPEG input. This issu...
How severe is CVE-2019-11926?
CVE-2019-11926 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11926?
Check the references section above for vendor advisories and patch information. Affected products include: Facebook Hhvm.