php: Invalid free() instead of efree() in phar_extract_file()
Published Jun 8, 2017
9.8
CRITICALCVSS 3.0
EPSS 7.75%
Description
/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.
Affected products
No data.
Configuration 1
- 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
- 5.6.20
- 5.6.21
- 5.6.22
- 7.0.7
Configuration 2
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
Not affected
Red Hat Enterprise Linux 5
php53
Not affected
Red Hat Enterprise Linux 6
php
Not affected
Red Hat Enterprise Linux 7
php
Not affected
Red Hat Software Collections
php54-php
Not affected
Red Hat Software Collections
php55-php
Not affected
| 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 | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php53 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | php | Not affected | n/a |
| Red Hat Enterprise Linux 7 | php | Not affected | n/a |
| Red Hat Software Collections | php54-php | Not affected | n/a |
| Red Hat Software Collections | php55-php | Not affected | 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
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 (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.75% (0.07753) | 94.46th | v5 (v2026.06.15) |
| Sep 22, 2026 | 7.75% (0.07753) | 94.37th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.27% (0.06269) | 93.34th | v5 (v2026.06.15) |
| Sep 6, 2026 | 7.75% (0.07753) | 94.24th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.27% (0.06269) | 93.19th | v5 (v2026.06.15) |
| Aug 30, 2026 | 7.75% (0.07753) | 94.20th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.27% (0.06269) | 93.15th | v5 (v2026.06.15) |
| Aug 24, 2026 | 7.75% (0.07753) | 94.17th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.27% (0.06269) | 93.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.75% (0.07753) | 93.85th | v5 (v2026.06.15) |
| Feb 9, 2026 | 16.82% (0.16817) | 94.77th | v4 (v2025.03.14) |
| Dec 25, 2025 | 21.26% (0.21263) | 95.49th | v4 (v2025.03.14) |
| Oct 28, 2025 | 23.89% (0.23891) | 95.77th | v4 (v2025.03.14) |
| Oct 27, 2025 | 20.36% (0.20365) | 95.29th | v4 (v2025.03.14) |
| Oct 1, 2025 | 23.89% (0.23891) | 95.85th | v4 (v2025.03.14) |
| May 30, 2025 | 21.26% (0.21263) | 95.34th | v4 (v2025.03.14) |
| Apr 12, 2025 | 29.80% (0.29805) | 96.26th | v4 (v2025.03.14) |
| Mar 30, 2025 | 21.26% (0.21263) | 95.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 31.06% (0.31062) | 94.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.26% (0.21263) | 95.21th | v4 (v2025.03.14) |
| Dec 17, 2024 | 9.43% (0.09433) | 94.72th | v3 (v2023.03.01) |
| Dec 3, 2023 | 3.23% (0.03230) | 90.13th | v3 (v2023.03.01) |
| Jun 24, 2023 | 4.29% (0.04291) | 91.08th | v3 (v2023.03.01) |
| May 19, 2023 | 3.43% (0.03426) | 90.07th | v3 (v2023.03.01) |
| May 8, 2023 | 3.48% (0.03481) | 90.11th | v3 (v2023.03.01) |
| Apr 18, 2023 | 2.61% (0.02609) | 88.70th | v3 (v2023.03.01) |
| Mar 24, 2023 | 3.55% (0.03547) | 90.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.70% (0.05699) | 92.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.79% (0.05785) | 90.41th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.79% (0.05785) | 89.45th | v2 (v2022.01.01) |
| Mar 5, 2022 | 5.79% (0.05785) | 77.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
References (7)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00007.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2750.html vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/98999 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-4473 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1347772 x_refsource_CONFIRMExploitIssue TrackingPatchThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2016-4473
- https://www.cve.org/CVERecord?id=CVE-2016-4473
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00007.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/98999 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-4473 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1347772 | x_refsource_CONFIRMExploitIssue TrackingPatchThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-4473 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-4473 |
Change history (0)
No recorded changes yet.