HIGH
php: Unserialize Exception object can lead to infinite loop
Published Jan 11, 2017
7.5
HIGHCVSS 3.0
EPSS 42.40%
Description
Zend/zend_exceptions.c in PHP, possibly 5.x before 5.6.28 and 7.x before 7.0.13, allows 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.
Affected products
- Vendor n/a Product PHP before 5.6.28 Defaultn/a
- Version PHP before 5.6.28StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | PHP before 5.6.28 | n/a |
|
OR
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.0
- 5.0.1
- 5.0.2
- 5.0.3
- 5.0.4
- 5.0.5
- 5.1.0
- 5.1.1
- 5.1.2
- 5.1.3
- 5.1.4
- 5.1.5
- 5.1.6
- 5.2.0
- 5.2.1
- 5.2.2
- 5.2.3
- 5.2.4
- 5.2.5
- 5.2.6
- 5.2.7
- 5.2.8
- 5.2.9
- 5.2.10
- 5.2.11
- 5.2.12
- 5.2.13
- 5.2.14
- 5.2.15
- 5.2.16
- 5.2.17
- 5.3.0
- 5.3.1
- 5.3.2
- 5.3.3
- 5.3.4
- 5.3.5
- 5.3.6
- 5.3.7
- 5.3.8
- 5.3.9
- 5.3.10
- 5.3.11
- 5.3.12
- 5.3.13
- 5.3.14
- 5.3.15
- 5.3.16
- 5.3.17
- 5.3.18
- 5.3.19
- 5.3.20
- 5.3.21
- 5.3.22
- 5.3.23
- 5.3.24
- 5.3.25
- 5.3.26
- 5.3.27
- 5.3.28
- 5.4.0
- 5.4.1
- 5.4.2
- 5.4.3
- 5.4.4
- 5.4.5
- 5.4.6
- 5.4.7
- 5.4.8
- 5.4.9
- 5.4.10
- 5.4.11
- 5.4.12
- 5.4.12
- 5.4.12
- 5.4.13
- 5.4.13
- 5.4.14
- 5.4.14
- 5.4.15
- 5.4.15
- 5.4.16
- 5.4.17
- 5.4.18
- 5.4.19
- 5.4.20
- 5.4.21
- 5.4.22
- 5.4.23
- 5.4.24
- 5.4.25
- 5.4.26
- 5.4.27
- 5.4.28
- 5.4.29
- 5.4.30
- 5.4.34
- 5.4.35
- 5.4.37
- 5.4.38
- 5.4.39
- 5.4.41
- 5.4.42
- 5.4.43
- 5.4.44
- 5.4.45
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.0
- 5.5.1
- 5.5.2
- 5.5.3
- 5.5.4
- 5.5.5
- 5.5.6
- 5.5.7
- 5.5.8
- 5.5.9
- 5.5.10
- 5.5.11
- 5.5.12
- 5.5.13
- 5.5.14
- 5.5.18
- 5.5.19
- 5.5.20
- 5.5.21
- 5.5.22
- 5.5.23
- 5.5.24
- 5.5.25
- 5.5.26
- 5.5.27
- 5.5.28
- 5.5.29
- 5.5.30
- 5.5.31
- 5.5.32
- 5.5.33
- 5.5.34
- 5.5.35
- 5.5.36
- 5.5.37
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.0
- 5.6.1
- 5.6.2
- 5.6.10
- 5.6.11
- 5.6.12
- 5.6.13
- 5.6.14
- 5.6.15
- 5.6.16
- 5.6.17
- 5.6.18
- 5.6.19
- 5.6.20
- 5.6.21
- 5.6.22
- 5.6.23
- 5.6.24
- 5.6.25
- 5.6.26
- 5.6.27
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.3
- 7.0.4
- 7.0.5
- 7.0.6
- 7.0.7
- 7.0.8
- 7.0.9
- 7.0.10
- 7.0.11
- 7.0.12
No data.
Red Hat Enterprise Linux 5
php
Will not fix
Red Hat Enterprise Linux 5
php53
Will not fix
Red Hat Enterprise Linux 6
php
Will not fix
Red Hat Enterprise Linux 7
php
Will not fix
Red Hat OpenShift Enterprise 2
php
Will not fix
Red Hat Software Collections
rh-php56-php
Will not fix
Red Hat Software Collections
rh-php70-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | php53 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | php | Will not fix | n/a |
| Red Hat OpenShift Enterprise 2 | php | Will not fix | n/a |
| Red Hat Software Collections | rh-php56-php | Will not fix | n/a |
| Red Hat Software Collections | rh-php70-php | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
42.40% 0.42401
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.42401
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (61 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 42.40% (0.42401) | 98.66th | v5 (v2026.06.15) |
| Sep 22, 2026 | 42.40% (0.42401) | 98.64th | v5 (v2026.06.15) |
| Sep 21, 2026 | 36.74% (0.36743) | 98.48th | v5 (v2026.06.15) |
| Sep 6, 2026 | 42.40% (0.42401) | 98.61th | v5 (v2026.06.15) |
| Sep 5, 2026 | 36.74% (0.36743) | 98.45th | v5 (v2026.06.15) |
| Aug 30, 2026 | 42.40% (0.42401) | 98.60th | v5 (v2026.06.15) |
| Aug 28, 2026 | 36.74% (0.36743) | 98.43th | v5 (v2026.06.15) |
| Aug 24, 2026 | 42.40% (0.42401) | 98.59th | v5 (v2026.06.15) |
| Aug 23, 2026 | 36.74% (0.36743) | 98.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 42.40% (0.42401) | 98.52th | v5 (v2026.06.15) |
| Mar 4, 2026 | 18.86% (0.18863) | 95.17th | v4 (v2025.03.14) |
| Mar 1, 2026 | 10.98% (0.10980) | 93.31th | v4 (v2025.03.14) |
| Feb 4, 2026 | 18.86% (0.18863) | 95.12th | v4 (v2025.03.14) |
| Feb 1, 2026 | 10.98% (0.10980) | 93.27th | v4 (v2025.03.14) |
| Jan 4, 2026 | 18.86% (0.18863) | 95.08th | v4 (v2025.03.14) |
| Jan 1, 2026 | 10.98% (0.10980) | 93.23th | v4 (v2025.03.14) |
| Dec 28, 2025 | 18.86% (0.18863) | 95.08th | v4 (v2025.03.14) |
| Dec 27, 2025 | 15.97% (0.15969) | 94.58th | v4 (v2025.03.14) |
| Dec 19, 2025 | 18.86% (0.18863) | 95.08th | v4 (v2025.03.14) |
| Dec 18, 2025 | 27.91% (0.27905) | 96.29th | v4 (v2025.03.14) |
| Dec 4, 2025 | 23.19% (0.23188) | 95.72th | v4 (v2025.03.14) |
| Dec 1, 2025 | 14.07% (0.14071) | 94.12th | v4 (v2025.03.14) |
| Nov 4, 2025 | 23.19% (0.23188) | 95.70th | v4 (v2025.03.14) |
| Nov 1, 2025 | 14.07% (0.14071) | 94.10th | v4 (v2025.03.14) |
| Oct 28, 2025 | 23.19% (0.23188) | 95.69th | v4 (v2025.03.14) |
| Oct 27, 2025 | 19.83% (0.19829) | 95.20th | v4 (v2025.03.14) |
| Oct 4, 2025 | 23.19% (0.23188) | 95.73th | v4 (v2025.03.14) |
| Oct 1, 2025 | 14.07% (0.14071) | 94.14th | v4 (v2025.03.14) |
| Sep 4, 2025 | 19.83% (0.19829) | 95.24th | v4 (v2025.03.14) |
| Sep 1, 2025 | 11.78% (0.11779) | 93.50th | v4 (v2025.03.14) |
| Aug 19, 2025 | 19.83% (0.19829) | 95.21th | v4 (v2025.03.14) |
| Aug 16, 2025 | 14.62% (0.14621) | 94.19th | v4 (v2025.03.14) |
| Aug 4, 2025 | 4.81% (0.04814) | 89.10th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.91% (0.01912) | 82.62th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.81% (0.04814) | 89.09th | v4 (v2025.03.14) |
| Jul 6, 2025 | 9.19% (0.09188) | 92.30th | v4 (v2025.03.14) |
| Jul 1, 2025 | 3.79% (0.03788) | 87.64th | v4 (v2025.03.14) |
| Jun 21, 2025 | 9.19% (0.09188) | 92.30th | v4 (v2025.03.14) |
| Jun 4, 2025 | 6.61% (0.06607) | 90.67th | v4 (v2025.03.14) |
| Jun 1, 2025 | 3.42% (0.03420) | 86.93th | v4 (v2025.03.14) |
| May 5, 2025 | 6.61% (0.06607) | 90.64th | v4 (v2025.03.14) |
| May 1, 2025 | 3.42% (0.03420) | 86.83th | v4 (v2025.03.14) |
| Apr 13, 2025 | 6.61% (0.06607) | 90.33th | v4 (v2025.03.14) |
| Apr 12, 2025 | 3.42% (0.03420) | 86.41th | v4 (v2025.03.14) |
| Apr 3, 2025 | 5.38% (0.05377) | 89.16th | v4 (v2025.03.14) |
| Apr 1, 2025 | 7.13% (0.07126) | 90.70th | v4 (v2025.03.14) |
| Mar 31, 2025 | 2.24% (0.02239) | 83.07th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.13% (0.07126) | 90.68th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.11% (0.12114) | 89.66th | v4 (v2025.03.14) |
| Mar 27, 2025 | 7.13% (0.07126) | 90.28th | v4 (v2025.03.14) |
| Mar 26, 2025 | 2.24% (0.02239) | 82.94th | v4 (v2025.03.14) |
| Mar 24, 2025 | 7.13% (0.07126) | 90.68th | v4 (v2025.03.14) |
| Mar 23, 2025 | 2.24% (0.02239) | 81.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.13% (0.07126) | 90.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 9.43% (0.09434) | 94.99th | v3 (v2023.03.01) |
| Jun 23, 2024 | 9.43% (0.09434) | 94.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.32% (0.10316) | 94.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (11)
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 x_refsource_MISCThird Party AdvisoryVDB Entry
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf x_refsource_MISCThird Party Advisory
- http://www.securityfocus.com/bid/95150 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-7478 Vendor Advisory
- https://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf
- https://bugs.php.net/bug.php?id=73093 x_refsource_MISCExploitVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1412245 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-7478
- https://security.netapp.com/advisory/ntap-20180112-0001/ x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2016-7478
- https://www.youtube.com/watch?v=LDcaPstAuPk x_refsource_MISCPress/Media Coverage
| Link | Providers | Tags |
|---|---|---|
| http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf | x_refsource_MISCThird Party Advisory | |
| http://www.securityfocus.com/bid/95150 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-7478 | Vendor Advisory | |
| https://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf | ||
| https://bugs.php.net/bug.php?id=73093 | x_refsource_MISCExploitVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1412245 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-7478 | ||
| https://security.netapp.com/advisory/ntap-20180112-0001/ | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2016-7478 | ||
| https://www.youtube.com/watch?v=LDcaPstAuPk | x_refsource_MISCPress/Media Coverage |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner checkpoint
Published Jan 11, 2017
Updated Aug 6, 2024
Reserved Sep 9, 2016
Link CVE-2016-7478
CISA Vulnrichment
Updated n/a