CVE-2019-11925: Buffer Overflow
First published: Fri Sep 06 2019(Updated: )
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.
Credit: cve-assign@fb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Facebook HHVM | <=3.30.9 | |
| Facebook HHVM | >=4.0.0<=4.8.3 | |
| Facebook HHVM | >=4.9.0<=4.15.2 | |
| Facebook HHVM | >=4.16.0<=4.16.3 | |
| Facebook HHVM | >=4.17.0<=4.17.2 | |
| Facebook HHVM | >=4.18.0<=4.18.1 | |
| Facebook HHVM | >=4.20.0<=4.20.1 | |
| Facebook HHVM | =4.19.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-11925?
CVE-2019-11925 is a vulnerability in the GD extension of Facebook HHVM that allows for access to out-of-bounds memory via a maliciously constructed invalid JPEG input.
What is the severity of CVE-2019-11925?
CVE-2019-11925 has a severity rating of 9.8 (Critical).
Which versions of HHVM are affected by CVE-2019-11925?
HHVM versions prior to 3.30.9, 4.0.0 to 4.8.3, 4.9.0 to 4.15.2, 4.16.0 to 4.16.3, 4.17.0 to 4.17.2, 4.18.0 to 4.18.1, and 4.20.0 to 4.20.1 are affected by CVE-2019-11925.
How can I fix CVE-2019-11925?
To fix CVE-2019-11925, you should update your HHVM to a version that is not affected by this vulnerability.
Where can I find more information about CVE-2019-11925?
More information about CVE-2019-11925 can be found in the following references: [Link 1](https://github.com/facebook/hhvm/commit/f1cd34e63c2a0d9702be3d41462db7bfd0ae7da3), [Link 2](https://hhvm.com/blog/2019/09/03/security-update.html), [Link 3](https://www.facebook.com/security/advisories/cve-2019-11925).
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- agent/event
- agent/remedy
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- vendor/facebook
- canonical/facebook hhvm
- version/facebook hhvm/3.30.9
- version/facebook hhvm/4.0.0
- version/facebook hhvm/4.8.3
- version/facebook hhvm/4.9.0
- version/facebook hhvm/4.15.2
- version/facebook hhvm/4.16.0
- version/facebook hhvm/4.16.3
- version/facebook hhvm/4.17.0
- version/facebook hhvm/4.17.2
- version/facebook hhvm/4.18.0
- version/facebook hhvm/4.18.1
- version/facebook hhvm/4.20.0
- version/facebook hhvm/4.20.1
- version/facebook hhvm/4.19.0