CVE-2019-11044
CVSS v3
7.5
HIGH
EPSS Score
5.1 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
- CVE-2019-11044 Red Hat Product Security
php: link function accepts filenames with embedded null byte and treats them as terminating at that byte on Windows
Festo Didactic SE MES PC
Festo Didactic SE MES PC shipped with Windows 10
Description
In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 on Windows, PHP link() function accepts filenames with embedded \\0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.
Technical details
- Published
- 2019-12-23
Frequently asked questions
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