Description
The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-628-1 | php5 security update |
Debian DSA |
DSA-3602-1 | php5 security update |
EUVD |
EUVD-2016-5525 | The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call. |
Ubuntu USN |
USN-2984-1 | PHP vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: debian
Published:
Updated: 2024-08-06T00:32:25.613Z
Reserved: 2016-05-05T00:00:00.000Z
Link: CVE-2016-4538
No data.
Status : Modified
Published: 2016-05-22T01:59:22.933
Modified: 2026-05-06T22:30:45.220
Link: CVE-2016-4538
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN