CVE-2016-10158

CVE-2016-10158 is a high-severity vulnerability in Php with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• CVSS v2: 5.0
• EPSS exploit prediction: 8% (94th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Php
• Published: 2017-01-24
• Last modified: 2026-06-17

Description

The exif_convert_any_to_int function in ext/exif/exif.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (application crash) via crafted EXIF data that triggers an attempt to divide the minimum representable negative integer by -1.

Frequently asked questions

What is CVE-2016-10158?

The exif_convert_any_to_int function in ext/exif/exif.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (application crash) via crafted EXIF data that triggers an attempt to divide the minimum representable negative integer by -1.

How severe is CVE-2016-10158?

CVE-2016-10158 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-10158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10158?

CVE-2016-10158 primarily affects Php. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-10158?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-10158 published?

CVE-2016-10158 was published on 2017-01-24 and last updated on 2026-06-17.

References

• http://php.net/ChangeLog-5.php
• http://php.net/ChangeLog-7.php
• http://www.debian.org/security/2017/dsa-3783
• http://www.securityfocus.com/bid/95764
• http://www.securitytracker.com/id/1037659
• https://access.redhat.com/errata/RHSA-2018:1296
• https://bugs.php.net/bug.php?id=73737
• https://github.com/php/php-src/commit/1cda0d7c2ffb62d8331c64e703131d9cabdc03ea
• https://security.gentoo.org/glsa/201702-29
• https://security.netapp.com/advisory/ntap-20180112-0001/
• https://www.tenable.com/security/tns-2017-04

Affected products (17)

• cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:*

More vulnerabilities in Php

• CVE-2015-0235 — Critical (CVSS 10.0): Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18,…
• CVE-2012-2688 — Critical (CVSS 10.0): Unspecified vulnerability in the _php_stream_scandir function in the stream implementation in PHP before 5.3.15 and…
• CVE-2012-2376 — Critical (CVSS 10.0): Buffer overflow in the com_print_typeinfo function in PHP 5.4.3 and earlier on Windows allows remote attackers to…
• CVE-2011-3268 — Critical (CVSS 10.0): Buffer overflow in the crypt function in PHP before 5.3.7 allows context-dependent attackers to have an unspecified…
• CVE-2009-4143 — Critical (CVSS 10.0): PHP before 5.2.12 does not properly handle session data, which has unspecified impact and attack vectors related to (1)…
• CVE-2008-5557 — Critical (CVSS 10.0): Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0…

All CVEs affecting Php →

Other CWE-189 (Numeric Errors) vulnerabilities

• CVE-2015-8396 — Critical (CVSS 10.0): Integer overflow in the ImageRegionReader::ReadIntoBuffer function in…
• CVE-2015-7205 — Critical (CVSS 10.0): Integer underflow in the RTPReceiverVideo::ParseRtpPacket function in Mozilla Firefox before 43.0 and Firefox ESR 38.x…
• CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
• CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
• CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
• CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 45.84.120.3 (ipv4-addr)
• 79.137.34.248 (ipv4-addr)
• 221.161.235.168 (ipv4-addr)
• 200.196.50.91 (ipv4-addr)
• 187.51.208.158 (ipv4-addr)
• 187.141.71.166 (ipv4-addr)
• 187.110.238.50 (ipv4-addr)
• 182.93.50.90 (ipv4-addr)