CVE-2019-20056
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I. Basic Information for CVE-2019-20056
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has an assertion failure in stbi__shiftsigned.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
stb_image.h 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libsixel是一个为DEC SIXEL图形和其他转换器程序提供编码/解码实现的软件包。stb_image.h是一款图像库。 stb_image.h 2.23版本（用在libsixel和其他产品）中存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2019-20056
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/saitoha/libsixel/issues/126x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2019-20056
Same Patch Batch · n/a · 2019-12-29 · 12 CVEs total
| CVE-2019-20070 | NETCORE Netis DL4323 跨站脚本漏洞 | |
| CVE-2019-20071 | NETCORE Netis DL4323 跨站请求伪造漏洞 | |
| CVE-2019-20072 | NETCORE Netis DL4323 跨站脚本漏洞 | |
| CVE-2019-20073 | NETCORE Netis DL4323 跨站脚本漏洞 | |
| CVE-2019-20074 | NETCORE Netis DL4323 安全漏洞 | |
| CVE-2019-20075 | NETCORE Netis DL4323 跨站脚本漏洞 | |
| CVE-2019-20076 | NETCORE Netis DL4323 跨站脚本漏洞 | |
| CVE-2019-20063 | libmysofa 安全漏洞 | |
| CVE-2019-20058 | Bolt CMS 跨站脚本漏洞 | |
| CVE-2019-20057 | Proxyman Privileged Helper Tool 数据伪造问题漏洞 | |
| CVE-2019-20055 | LiquidPixels LiquiFire OS 代码问题漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
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bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2019-20056
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