VulnerabilityModified
CVE-2016-6870
Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.
CRITICAL 9.8EPSS 2.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.21% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- facebook/hhvm
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2016/08/11/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/19/1Mailing List, Patch, Third Party Advisory
- https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/08/11/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/19/1Mailing List, Patch, Third Party Advisory
- https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.