CVE-2020-7064
Use-of-uninitialized-value in exif
MEDIUM
5.4
CVSS Score
Published: April 1, 2020 at 03:35 AM UTC
Updated: June 17, 2026 at 03:24 AM UTC
5 products affected across 5 vendorsDebian LinuxUbuntu LinuxLeap
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Severity
MEDIUM5.4
Exploit prediction
EPSS 4%
Description
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Leap· openSUSEdrupal
95%7.2.0 ≤ v < 7.2.297.2.x ≤ v < 7.2.297.3.0 ≤ v < 7.3.167.3.x ≤ v < 7.3.167.4.0 ≤ v < 7.4.47.4.x ≤ v < 7.4.47.2.x7.3.x7.4.x
Affected range stops below 7.2.29, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.4, 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 (10)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.htmlx_refsource_MISCExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://bugs.php.net/bug.php?id=79282Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/04/msg00021.htmlx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200403-0001/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4330-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4330-2/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-4719CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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