CVE-2019-11925

moderate-risk
Published 2019-09-06

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 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.

Do I need to act?

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0.97% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Facebook

References (6)

Patch https://github.com/facebook/hhvm/commit/f1cd34e63c2a0d9702be3d41462db7bfd0ae7da3
Third Party Advisory https://hhvm.com/blog/2019/09/03/security-update.html
Vendor Advisory https://www.facebook.com/security/advisories/cve-2019-11925
Patch https://github.com/facebook/hhvm/commit/f1cd34e63c2a0d9702be3d41462db7bfd0ae7da3
Third Party Advisory https://hhvm.com/blog/2019/09/03/security-update.html
Vendor Advisory https://www.facebook.com/security/advisories/cve-2019-11925
42
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 3/34 · Minimal
Exposure 7/34 · Low