VULNERABILITY INTELLIGENCE
CVE-2019-11049
CVSS score6.5 MEDIUM
EPSS probability4.22%
CISA KEVNot currently listed
Published2019-12-23
Last modified2026-08-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Description
In PHP versions 7.3.x below 7.3.13 and 7.4.0 on Windows, when supplying custom headers to mail() function, due to mistake introduced in commit 78f4b4a2dcf92ddbccea1bb95f8390a18ac3342e, if the header is supplied in lowercase, this can result in double-freeing certain memory locations.
Weakness classification
- CWE-415: Double Free
Primary references
- security@php.net — Mailing List, Patch, Vendor Advisory
- security@php.net
- security@php.net
- security@php.net — Mailing List, Third Party Advisory
- security@php.net — Third Party Advisory
- security@php.net — Third Party Advisory
- security@php.net — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory