php: mb_strcut() Negative size parameter in memcpy
Published May 20, 2016
9.8
CRITICALCVSS 3.0
EPSS 7.09%
Description
Multiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted mb_strcut call.
Affected products
No data.
Configuration 1
- 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
- 5.5.29
- 5.5.30
- 5.5.32
- 5.5.33
- 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
- 5.6.0
- 5.6.1
- 5.6.2
- 5.6.3
- 5.6.4
- 5.6.5
- 5.6.6
- 5.6.7
- 5.6.8
- 5.6.9
- 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
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.3
- 7.0.4
No data.
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-php56-0:2.3-1.el6
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-php56-php-0:5.6.25-1.el6
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-php56-php-pear-1:1.9.5-4.el6
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-php56-0:2.3-1.el6
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-php56-php-0:5.6.25-1.el6
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-php56-php-pear-1:1.9.5-4.el6
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-php56-0:2.3-1.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-php56-php-0:5.6.25-1.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-php56-php-pear-1:1.9.5-4.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
rh-php56-0:2.3-1.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
rh-php56-php-0:5.6.25-1.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
rh-php56-php-pear-1:1.9.5-4.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-php56-0:2.3-1.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-php56-php-0:5.6.25-1.el7
Fixed · RHSA-2016:2750
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-php56-php-pear-1:1.9.5-4.el7
Fixed · RHSA-2016:2750
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 Software Collections
php54-php
Will not fix
Red Hat Software Collections
php55-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-php56-0:2.3-1.el6 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-php56-php-0:5.6.25-1.el6 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-php56-php-pear-1:1.9.5-4.el6 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-php56-0:2.3-1.el6 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-php56-php-0:5.6.25-1.el6 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-php56-php-pear-1:1.9.5-4.el6 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-php56-0:2.3-1.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-php56-php-0:5.6.25-1.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-php56-php-pear-1:1.9.5-4.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS | rh-php56-0:2.3-1.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS | rh-php56-php-0:5.6.25-1.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS | rh-php56-php-pear-1:1.9.5-4.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-php56-0:2.3-1.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-php56-php-0:5.6.25-1.el7 | Fixed | RHSA-2016:2750 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-php56-php-pear-1:1.9.5-4.el7 | Fixed | RHSA-2016:2750 |
| 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 Software Collections | php54-php | Will not fix | n/a |
| Red Hat Software Collections | php55-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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.09% (0.07092) | 94.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.29% (0.07287) | 93.55th | v5 (v2026.06.15) |
| Jan 16, 2026 | 11.04% (0.11044) | 93.22th | v4 (v2025.03.14) |
| Dec 28, 2025 | 6.63% (0.06630) | 90.87th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.83% (0.03834) | 87.85th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.63% (0.06630) | 90.77th | v4 (v2025.03.14) |
| Oct 27, 2025 | 3.83% (0.03834) | 87.68th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.63% (0.06630) | 90.86th | v4 (v2025.03.14) |
| Aug 20, 2025 | 3.83% (0.03834) | 87.70th | v4 (v2025.03.14) |
| Jul 30, 2025 | 6.55% (0.06555) | 90.75th | v4 (v2025.03.14) |
| Jun 21, 2025 | 11.04% (0.11044) | 93.11th | v4 (v2025.03.14) |
| May 30, 2025 | 6.25% (0.06250) | 90.39th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.71% (0.04706) | 88.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.97% (0.12971) | 90.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.71% (0.04706) | 88.64th | v4 (v2025.03.14) |
| Mar 10, 2025 | 7.95% (0.07950) | 94.41th | v3 (v2023.03.01) |
| Aug 20, 2024 | 4.68% (0.04679) | 92.77th | v3 (v2023.03.01) |
| Jul 13, 2023 | 6.25% (0.06250) | 92.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.51% (0.04511) | 91.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.04% (0.05040) | 89.54th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.04% (0.05040) | 88.49th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.04% (0.05040) | 75.01th | v2 (v2022.01.01) |
References (22)
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2016-2750.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3560 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/04/24/1 mailing-listx_refsource_MLIST
- http://www.php.net/ChangeLog-5.php x_refsource_CONFIRM
- http://www.php.net/ChangeLog-7.php x_refsource_CONFIRM
- http://www.securityfocus.com/bid/85991 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2952-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2952-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-4073 Vendor Advisory
- https://bugs.php.net/bug.php?id=71906 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=1323103 Issue Tracking
- https://gist.github.com/smalyshev/d8355c96a657cc5dba70 x_refsource_CONFIRM
- https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=64f42c73efc58e88671ad76b6b6bc8e2b62713e1 x_refsource_CONFIRM
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-4073
- https://security.gentoo.org/glsa/201611-22 vendor-advisoryx_refsource_GENTOO
- https://support.apple.com/HT206567 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2016-4073
Change history (0)
No recorded changes yet.