CVE-2016-4346

CRITICAL
9.8
CVSS Score
Published: May 22, 2016 at 01:00 AM UTC
Updated: June 17, 2026 at 12:47 AM UTC
3 products affected across 2 vendorsLeapopenSUSEPHP

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Severity
CRITICAL9.8
Exploit prediction
EPSS 6%

Description

Integer overflow in the str_pad function in ext/standard/string.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PHP· PHPdrupal
95%
7.0.0 ≤ v < 7.0.4
Affected range stops below 7.0.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (5)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
x_refsource_CONFIRMx_refsource_MISCRelease NotesVendor Advisory
http://php.net/ChangeLog-7.php
Mailing Listx_refsource_MLISTThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2
x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory
https://bugs.php.net/bug.php?id=71637

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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