Read the docs
TI-2019-08939 Aliases CVE-2019-11934GHSA-87hj-px7p-jhf4

Out-of-bounds read in Meta folly

Priority MEDIUM 46CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Improper handling of close_notify alerts can result in an out-of-bounds read in AsyncSSLSocket. This issue affects folly prior to v2019.11.04.00.

Why it matters now

EPSS 0.01744 77th percentileScored 2026-11-07
Fix Fixed folly (Facebook): v2019.11.04.00

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Metafollyv2019.11.04.00; before v2019.11.04.00v2019.11.04.00Patch availableCNA
  • folly VendorMeta Affected v2019.11.04.00; before v2019.11.04.00 Fixed in v2019.11.04.00 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:*before 2019.11.04.00VulnerableMeta
  • cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:* Versions before 2019.11.04.00 Vulnerable ·Meta

Remediation

  • Fix · CNA folly (Facebook) Fixed in v2019.11.04.00

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11934
  2. 2026-10-03 Alias added: GHSA-87hj-px7p-jhf4

References

Patch 1

Advisory 1

  • TI-2021-06352 Heap-based buffer overflow in Meta folly CVSS 3.1CRITICAL 9.8
  • TI-2018-04662 Memory corruption in Meta HHVM CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences