CVE-2020-7064

6.5 MEDIUM 4% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 4.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-04-01 04:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:24 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.3% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-04-01 04:15 UTC
Last modified: 2026-06-17 03:24 UTC
Exploit probability: 4.3% · EPSS, next 30 days
Weakness: CWE-125 · Out-of-bounds read
Record status: Modified

Affected

PHP < 7.2.29
PHP < 7.3.16
PHP < 7.4.4
Debian Linux 8.0
Debian Linux 9.0
Debian Linux 10.0
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 14.04

Attack profile CVSS 3.1 · 6.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-7064.md and follow it. Check whether this project is affected by CVE-2020-7064. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record