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CVE-2016-9138

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup...

9.8 Critical

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.83%Up 2.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Record
CVE-2016-9138
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-416
Updated
2026-11-02
CVE List No score

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Record
CVE-2016-9138
Updated
2026-11-02
EUVDEUVD-2016-9955 No score

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Record
EUVD-2016-9955
Updated
2026-11-03
GitHub AdvisoriesGHSA-645c-cwcv-g4w3 9.8

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup...

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Record
GHSA-645c-cwcv-g4w3
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-416
Updated
2026-11-02
OSV 9.8

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Record
CVE-2016-9138
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-9138 9.8

PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.

Record
UBUNTU-CVE-2016-9138
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVSUSE-SU-2017:0534-1 No score

Security update for php7

This update for php7 fixes the following security issues:

  • CVE-2016-7480: The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP did not verify that a key is an object, which allowed remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data. (bsc#1019568)
  • CVE-2017-5340: Zend/zend_hash.c in PHP mishandled certain cases that require large array allocations, which allowed remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data. (bsc#1019570)
  • CVE-2016-7479: In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may have lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution. (bsc#1019547)
  • CVE-2016-7478: Zend/zend_exceptions.c in PHP allowed remote attackers to cause a denial of service (infinite loop) via a crafted Exception object in serialized data, a related issue to CVE-2015-8876. (bsc#1019550)
  • CVE-2016-10159: Integer overflow in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory consumption or application crash) via a truncated manifest entry in a PHAR archive. (bsc#1022255)
  • CVE-2016-10160: Off-by-one error in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted PHAR archive with an alias mismatch. (bsc#1022257)
  • CVE-2016-10161: The object_common1 function in ext/standard/var_unserializer.c in PHP allowed remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call. (bsc#1022260)
  • CVE-2016-10162: The php_wddx_pop_element function in ext/wddx/wddx.c in PHP 7 allowed remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an inapplicable class name in a wddxPacket XML document, leading to mishandling in a wddx_deserialize call. (bsc#1022262)
  • CVE-2016-10166: A potential unsigned underflow in gd interpolation functions could lead to memory corruption in the PHP gd module (bsc#1022263)
  • CVE-2016-10167: A denial of service problem in gdImageCreateFromGd2Ctx() could lead to php out of memory even on small files. (bsc#1022264)
  • CVE-2016-10168: A signed integer overflow in the gd module could lead to memory corruption (bsc#1022265)
  • CVE-2016-9138: PHP mishandled property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup. (bsc#1008026)
Record
SUSE-SU-2017:0534-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
php5
Debian:8
From an advisory covering 4 CVEs
before 5.6.28+dfsg-0+deb8u1, plus listed versions
5.6.11+dfsg-15.6.12+dfsg-0+deb8u15.6.12+dfsg-15.6.13+dfsg-0+deb8u15.6.13+dfsg-1
Show 32 moreShow less
5.6.13+dfsg-25.6.14+dfsg-0+deb8u15.6.14+dfsg-15.6.15+dfsg-15.6.16+dfsg-15.6.16+dfsg-25.6.16+dfsg-35.6.16+dfsg-45.6.17+dfsg-0+deb8u15.6.17+dfsg-15.6.17+dfsg-35.6.18+dfsg-15.6.19+dfsg-0+deb8u15.6.19+dfsg-15.6.19+dfsg-25.6.20+dfsg-0+deb8u15.6.20+dfsg-15.6.21+dfsg-15.6.21+dfsg-25.6.22+dfsg-0+deb8u15.6.22+dfsg-15.6.22+dfsg-25.6.23+dfsg-0+deb8u15.6.23+dfsg-15.6.24+dfsg-0+deb8u15.6.24+dfsg-15.6.26+dfsg-0+deb8u15.6.26+dfsg-15.6.27+dfsg-0+deb8u15.6.7+dfsg-15.6.9+dfsg-0+deb8u15.6.9+dfsg-1
5.6.28+dfsg-0+deb8u1
php7
SUSE:Linux Enterprise Module for Web and Scripting 12
From an advisory covering 13 CVEs
before 7.0.7-35.1
7.0.7-35.1
php7
SUSE:Linux Enterprise Software Development Kit 12 SP1
From an advisory covering 13 CVEs
before 7.0.7-35.1
7.0.7-35.1
php7
SUSE:Linux Enterprise Software Development Kit 12 SP2
From an advisory covering 13 CVEs
before 7.0.7-35.1
7.0.7-35.1
php5
Ubuntu:Pro:14.04:LTS
All versions, plus listed versions
5.5.3+dfsg-1ubuntu25.5.3+dfsg-1ubuntu35.5.6+dfsg-1ubuntu15.5.6+dfsg-1ubuntu25.5.8+dfsg-2ubuntu1
Show 44 moreShow less
5.5.9+dfsg-1ubuntu15.5.9+dfsg-1ubuntu25.5.9+dfsg-1ubuntu35.5.9+dfsg-1ubuntu45.5.9+dfsg-1ubuntu4.15.5.9+dfsg-1ubuntu4.25.5.9+dfsg-1ubuntu4.35.5.9+dfsg-1ubuntu4.45.5.9+dfsg-1ubuntu4.55.5.9+dfsg-1ubuntu4.65.5.9+dfsg-1ubuntu4.75.5.9+dfsg-1ubuntu4.95.5.9+dfsg-1ubuntu4.115.5.9+dfsg-1ubuntu4.125.5.9+dfsg-1ubuntu4.135.5.9+dfsg-1ubuntu4.145.5.9+dfsg-1ubuntu4.165.5.9+dfsg-1ubuntu4.175.5.9+dfsg-1ubuntu4.195.5.9+dfsg-1ubuntu4.205.5.9+dfsg-1ubuntu4.215.5.9+dfsg-1ubuntu4.225.5.9+dfsg-1ubuntu4.235.5.9+dfsg-1ubuntu4.245.5.9+dfsg-1ubuntu4.255.5.9+dfsg-1ubuntu4.265.5.9+dfsg-1ubuntu4.275.5.9+dfsg-1ubuntu4.295.5.9+dfsg-1ubuntu4.29+esm15.5.9+dfsg-1ubuntu4.29+esm25.5.9+dfsg-1ubuntu4.29+esm35.5.9+dfsg-1ubuntu4.29+esm45.5.9+dfsg-1ubuntu4.29+esm55.5.9+dfsg-1ubuntu4.29+esm65.5.9+dfsg-1ubuntu4.29+esm85.5.9+dfsg-1ubuntu4.29+esm105.5.9+dfsg-1ubuntu4.29+esm115.5.9+dfsg-1ubuntu4.29+esm125.5.9+dfsg-1ubuntu4.29+esm135.5.9+dfsg-1ubuntu4.29+esm145.5.9+dfsg-1ubuntu4.29+esm155.5.9+dfsg-1ubuntu4.29+esm165.5.9+dfsg-1ubuntu4.29+esm175.5.9+dfsg-1ubuntu4.29+esm18
None known
php7.0
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
7.0.1-57.0.1-67.0.2-17.0.2-37.0.2-4
Show 45 moreShow less
7.0.2-57.0.3-27.0.3-37.0.3-9ubuntu17.0.4-5ubuntu17.0.4-5ubuntu27.0.4-7ubuntu17.0.4-7ubuntu27.0.4-7ubuntu2.17.0.8-0ubuntu0.16.04.17.0.8-0ubuntu0.16.04.27.0.8-0ubuntu0.16.04.37.0.13-0ubuntu0.16.04.17.0.15-0ubuntu0.16.04.17.0.15-0ubuntu0.16.04.27.0.15-0ubuntu0.16.04.47.0.18-0ubuntu0.16.04.17.0.22-0ubuntu0.16.04.17.0.25-0ubuntu0.16.04.17.0.28-0ubuntu0.16.04.17.0.30-0ubuntu0.16.04.17.0.32-0ubuntu0.16.04.17.0.33-0ubuntu0.16.04.17.0.33-0ubuntu0.16.04.27.0.33-0ubuntu0.16.04.37.0.33-0ubuntu0.16.04.47.0.33-0ubuntu0.16.04.57.0.33-0ubuntu0.16.04.67.0.33-0ubuntu0.16.04.77.0.33-0ubuntu0.16.04.97.0.33-0ubuntu0.16.04.117.0.33-0ubuntu0.16.04.127.0.33-0ubuntu0.16.04.147.0.33-0ubuntu0.16.04.157.0.33-0ubuntu0.16.04.167.0.33-0ubuntu0.16.04.16+esm17.0.33-0ubuntu0.16.04.16+esm27.0.33-0ubuntu0.16.04.16+esm37.0.33-0ubuntu0.16.04.16+esm47.0.33-0ubuntu0.16.04.16+esm57.0.33-0ubuntu0.16.04.16+esm67.0.33-0ubuntu0.16.04.16+esm77.0.33-0ubuntu0.16.04.16+esm87.0.33-0ubuntu0.16.04.16+esm97.0.33-0ubuntu0.16.04.16+esm10
None known
php7.2
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
7.2.1-1ubuntu27.2.2-1ubuntu17.2.2-1ubuntu27.2.3-1ubuntu17.2.5-0ubuntu0.18.04.1
Show 37 moreShow less
7.2.7-0ubuntu0.18.04.17.2.7-0ubuntu0.18.04.27.2.10-0ubuntu0.18.04.17.2.15-0ubuntu0.18.04.17.2.15-0ubuntu0.18.04.27.2.17-0ubuntu0.18.04.17.2.19-0ubuntu0.18.04.17.2.19-0ubuntu0.18.04.27.2.24-0ubuntu0.18.04.17.2.24-0ubuntu0.18.04.27.2.24-0ubuntu0.18.04.37.2.24-0ubuntu0.18.04.47.2.24-0ubuntu0.18.04.67.2.24-0ubuntu0.18.04.77.2.24-0ubuntu0.18.04.87.2.24-0ubuntu0.18.04.97.2.24-0ubuntu0.18.04.107.2.24-0ubuntu0.18.04.117.2.24-0ubuntu0.18.04.127.2.24-0ubuntu0.18.04.137.2.24-0ubuntu0.18.04.157.2.24-0ubuntu0.18.04.167.2.24-0ubuntu0.18.04.177.2.24-0ubuntu0.18.04.17+esm17.2.24-0ubuntu0.18.04.17+esm27.2.24-0ubuntu0.18.04.17+esm37.2.24-0ubuntu0.18.04.17+esm47.2.24-0ubuntu0.18.04.17+esm57.2.24-0ubuntu0.18.04.17+esm67.2.24-0ubuntu0.18.04.17+esm77.2.24-0ubuntu0.18.04.17+esm87.2.24-0ubuntu0.18.04.17+esm97.2.24-0ubuntu0.18.04.17+esm107.2.24-0ubuntu0.18.04.17+esm117.2.24-0ubuntu0.18.04.17+esm127.2.24-0ubuntu0.18.04.17+esm137.2.24-0ubuntu0.18.04.17+esm14
None known

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9138 is a critical vulnerability (CVSS 9.8) in Php, published December 13, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.83%, the 90th percentile. No source names a fixed version.

References

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This page doesn't list everything

Left out here: 12 versions. The JSON record has them.

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