CVE-2020-7064
php5 - security update
5.4
MEDIUM
CVSS 3.1
EPSS 2.3%
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.
How to fix CVE-2020-7064
To remediate CVE-2020-7064, upgrade the affected package to a fixed version below.
- —upgrade to 7.2.29 or later
- —upgrade to 7.2.29 or later
- —upgrade to 7.2.29 or later
- —upgrade to 5.6.40+dfsg-0+deb8u11 or later
- —upgrade to 7.4.5-1 or later
Is CVE-2020-7064 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- >= 7.2.0, < 7.2.29, >= 7.3.0, < 7.3.16, >= 7.4.0, < 7.4.4
- >= 7.2.0, < 7.2.29, >= 7.3.0, < 7.3.16, >= 7.4.0, < 7.4.4
- >= 7.2.0, < 7.2.29, >= 7.3.0, < 7.3.16, >= 7.4.0, < 7.4.4
- from 0, < 5.6.40+dfsg-0+deb8u11
- from 0, < 7.4.5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L |