CVE & CISA-KEV Catalog

CVE-2016-6289

HIGHEPSS 89th pctl
7.8
CVSS v3
NVD

Description

Integer overflow in the virtual_file_ex function in TSRM/tsrm_virtual_cwd.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted extract operation on a ZIP archive.

CWE-190Integer Overflow

How to fix

Remediation Available
libapache2-mod-php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.19USN-3045-1
libapache2-mod-php7.0Ubuntu
Fixed in:7.0.8-0ubuntu0.16.04.2USN-3045-1
php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.19USN-3045-1
php5-cgiUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.19USN-3045-1
php5-cliUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.19USN-3045-1
php5-fpmUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.19USN-3045-1
php7.0Ubuntu
Fixed in:7.0.8-0ubuntu0.16.04.2USN-3045-1
php7.0-cgiUbuntu
Fixed in:7.0.8-0ubuntu0.16.04.2USN-3045-1
php7.0-cliUbuntu
Fixed in:7.0.8-0ubuntu0.16.04.2USN-3045-1
php7.0-fpmUbuntu
Fixed in:7.0.8-0ubuntu0.16.04.2USN-3045-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

3.79%probability of exploitation in 30 days
89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Exploit1
Third-Party Advisory2
Mailing List1
Release Notes2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-16040Medium6.5100%-Fix
CVE-2019-11477High7.599%-Fix
CVE-2023-44443High7.894%-Fix
CVE-2014-0569High9.390%--
CVE-2017-3599High7.590%-Fix
CVE-2023-21716Critical9.882%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.