CVE-2020-7067
OOB Read in urldecode()
HIGH
7.5
CVSS Score
Published: April 27, 2020 at 08:38 PM UTC
Updated: June 17, 2026 at 03:24 AM UTC
4 products affected across 4 vendorsDebian LinuxPHPCommunications Diameter Signaling Router
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Severity
HIGH7.5
Exploit prediction
EPSS 4%
Description
In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%8.0.0.0 ≤ v ≤ 8.4.0.5
7.2.0 ≤ v < 7.2.307.3.0 ≤ v < 7.3.177.4.0 ≤ v < 7.4.57.2.x below 7.2.307.3.x below 7.3.17 and 7.4.x below 7.4.5
Affected range stops below 7.2.30, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.5, so it looks safe — our inference, not a vendor statement
Tenable.Sc· Tenabledrupal
95%v < 5.19.0
Affected range stops below 5.19.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (7)
x_refsource_CONFIRMExploitVendor Advisory
Source: [email protected]
https://bugs.php.net/bug.php?id=79465x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200504-0001/Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4717Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4719x_refsource_MISCNot ApplicableThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuoct2020.htmlx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://www.tenable.com/security/tns-2021-14CVSS
7.5HIGHphp
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125CWE-196
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