CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2019-11936
Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
- CWE
- CWE-626
- Published
- Modified
- Record from
- the NVD, synced
Affected
- facebook:hhvm
References
- https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373
- https://hhvm.com/blog/2019/10/28/security-update.html
- https://www.facebook.com/security/advisories/cve-2019-11936
- https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373
- https://hhvm.com/blog/2019/10/28/security-update.html