CVE-2014-6228

high
Published 2014-12-28 · Modified 2026-05-06
CVSS v3
CVSS v2
7.5
VIR risk
7.5

Description

Integer overflow in the string_chunk_split function in hphp/runtime/base/zend-string.cpp in Facebook HipHop Virtual Machine (HHVM) before 3.3.0 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted arguments to the chunk_split function.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Application impact

VendorProductVersionsFixed
facebookhiphop_virtual_machine{"endIncluding":"3.2.0"}

References

CWEs

CWE-189

Verify integrity in audit chain (admin only). AS-IS.