php: heap buffer overflow in escapeshell functions
Published Jan 19, 2016
7.3
HIGHCVSS 3.0
EPSS 2.73%
Description
Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function, leading to a heap-based buffer overflow.
Affected products
No data.
No data.
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
Red Hat Software Collections
rh-php56-php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| 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 |
| Red Hat Software Collections | rh-php56-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: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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.73% (0.02733) | 85.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.73% (0.02733) | 84.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00391) | 58.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.96% (0.00962) | 83.96th | v3 (v2023.03.01) |
| Mar 20, 2024 | 0.96% (0.00962) | 82.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.96% (0.00962) | 80.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2016/01/14/8 mailing-listx_refsource_MLIST
- http://www.php.net/ChangeLog-7.php x_refsource_CONFIRMVendor Advisory
- http://www.securitytracker.com/id/1034608 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-1904 Vendor Advisory
- https://bugs.php.net/bug.php?id=71270 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=1298839 Issue Tracking
- https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-1904
- https://www.cve.org/CVERecord?id=CVE-2016-1904
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/01/14/8 | mailing-listx_refsource_MLIST | |
| http://www.php.net/ChangeLog-7.php | x_refsource_CONFIRMVendor Advisory | |
| http://www.securitytracker.com/id/1034608 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2016-1904 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=71270 | x_refsource_CONFIRMExploit | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1298839 | Issue Tracking | |
| https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-1904 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-1904 |
Change history (0)
No recorded changes yet.