CVE-2019-11049— mail() may release string with refcount==1 twice
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2019-11049
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
mail() may release string with refcount==1 twice
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHP 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。 基于Windows平台的PHP 7.3.13之前的7.3.x版本和7.4.0版本中的‘mail()’函数存在资源管理错误漏洞。攻击者可借助特制标头利用该漏洞执行任意代码或导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2019-11049
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2019-11049
请登录查看更多情报信息。
- https://bugs.php.net/bug.php?id=78943x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200103-0002/x_refsource_CONFIRM
- https://www.tenable.com/security/tns-2021-14x_refsource_CONFIRM
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-11049
Same Patch Batch · PHP Group · 2019-12-23 · 6 CVEs total
| CVE-2019-11047 | 4.8 MEDIUM | Heap-buffer-overflow READ in exif |
| CVE-2019-11050 | 4.8 MEDIUM | Use-after-free in exif parsing under memory sanitizer |
| CVE-2019-11044 | 3.7 LOW | link() silently truncates after a null byte on Windows |
| CVE-2019-11045 | 3.7 LOW | DirectoryIterator class silently truncates after a null byte |
| CVE-2019-11046 | 3.7 LOW | Buffer underflow in bc_shift_addsub |
IV. Related Vulnerabilities
Same product: PHP
Same vendor: PHP Group
Same weakness: CWE-415
- CVE-2026-23918
Apache HTTP Server: http2: double free and possible RCE on e - CVE-2026-5657
Double Free in Wireshark - CVE-2026-33824
Windows Internet Key Exchange (IKE) Service Extensions Remot - CVE-2026-32074
Windows Projected File System Elevation of Privilege Vulnera - CVE-2026-32069
Windows Projected File System Elevation of Privilege Vulnera
V. Comments for CVE-2019-11049
No comments yet