CVE-2016-5770

CRITICAL
9.8
CVSS Score
Published: August 7, 2016 at 10:00 AM UTC
Updated: June 17, 2026 at 12:50 AM UTC
4 products affected across 3 vendorsDebian LinuxLeapopenSUSE

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Severity
CRITICAL9.8
Exploit prediction
EPSS 7%

Description

Integer overflow in the SplFileObject::fread function in spl_directory.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large integer argument, a related issue to CVE-2016-5096.

Affected

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

PHP· PHPdrupal
95%
v < 5.5.375.6.0 ≤ v < 5.6.237.0.0 ≤ v < 7.0.8
Affected range stops below 5.5.37, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.6.23, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.8, so it looks safe — our inference, not a vendor statement

References (12)

Vendor Advisoryx_refsource_APPLEBroken LinkMailing List
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
x_refsource_CONFIRMPatchRelease NotesVendor Advisory
http://php.net/ChangeLog-5.php
Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
http://www.debian.org/security/2016/dsa-3618
Mailing Listx_refsource_MLISTPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/23/4

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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