CVEvulnerability

CVE-2019-11049

9.8 CRITICAL Published 2019-12-23 Modified 2026-08-17 Official page ↗
Status
Modified
Published
2019-12-23
Last modified
2026-08-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-415

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.

Affected configurations

• php php (>= 7.3.0 <= 7.3.13) • php php 7.4.0 • fedoraproject fedora 30 • fedoraproject fedora 31 • debian debian linux 10.0 • tenable security center (< 5.19.0)

Related

Weakness · CWE (1)

References