CRITICAL
Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL
Published Jan 23, 2017
9.8
CRITICALCVSS 3.0
EPSS 4.70%
Description
Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.70% 0.04701
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04701
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 | 4.70% (0.04701) | 91.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.70% (0.04701) | 90.61th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.06% (0.05060) | 88.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.18% (0.17181) | 91.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.30% (0.05304) | 89.32th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.79% (0.03793) | 91.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.57% (0.05571) | 92.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.34% (0.07343) | 92.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.34% (0.07343) | 91.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.34% (0.07343) | 80.57th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://www.openwall.com/lists/oss-security/2016/06/29/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/29/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/95863 vdb-entryx_refsource_BID
- https://bugs.php.net/bug.php?id=71719 x_refsource_CONFIRMExploitVendor Advisory
- https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac x_refsource_CONFIRMPatchVendor Advisory
- https://pecl.php.net/package/pecl_http/3.0.1 x_refsource_CONFIRMRelease NotesVendor Advisory
- https://security.gentoo.org/glsa/201612-17 vendor-advisoryx_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20180112-0001/ x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/06/29/1 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/06/29/4 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/95863 | vdb-entryx_refsource_BID | |
| https://bugs.php.net/bug.php?id=71719 | x_refsource_CONFIRMExploitVendor Advisory | |
| https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac | x_refsource_CONFIRMPatchVendor Advisory | |
| https://pecl.php.net/package/pecl_http/3.0.1 | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| https://security.gentoo.org/glsa/201612-17 | vendor-advisoryx_refsource_GENTOO | |
| https://security.netapp.com/advisory/ntap-20180112-0001/ | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 23, 2017
Updated Aug 6, 2024
Reserved Jun 29, 2016
Link CVE-2016-5873
CISA Vulnrichment
Updated n/a