VulnerabilityModified
CVE-2019-11935
Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory.
CRITICAL 9.8EPSS 1.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory. 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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-120
- Affected
- facebook/hhvm
- Source
- cve-assign@fb.com
References
- https://github.com/facebook/hhvm/commit/1c518555dba6ceb45d5ba61845b96e261219c3b7Patch, Third Party Advisory
- https://hhvm.com/blog/2019/10/28/security-update.htmlVendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11935Vendor Advisory
- https://github.com/facebook/hhvm/commit/1c518555dba6ceb45d5ba61845b96e261219c3b7Patch, Third Party Advisory
- https://hhvm.com/blog/2019/10/28/security-update.htmlVendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11935Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.