CVE-2021-23437— Regular Expression Denial of Service (ReDoS)
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I. Basic Information for CVE-2021-23437
Vulnerability Information
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Vulnerability Title
Regular Expression Denial of Service (ReDoS)
Source: NVD (National Vulnerability Database)
Vulnerability Description
The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Pillow 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pillow是一款基于Python的图像处理库。 python中pillow模块8.3.2之前版本存在缓冲区错误漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题，攻击者利用该漏洞可导致拒绝服务。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Pillow | 0 ~ unspecified | - |
II. Public POCs for CVE-2021-23437
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.gentoo.org/glsa/202211-10vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-23437
Same Patch Batch · n/a · 2021-09-03 · 5 CVEs total
| CVE-2021-40492 | Gibbon 跨站脚本漏洞 | |
| CVE-2021-40494 | AdaptiveScale LXDUI 信任管理问题漏洞 | |
| CVE-2021-40490 | Linux kernel 竞争条件问题漏洞 | |
| CVE-2021-40491 | GNU Inetutils数据伪造问题漏洞 |
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Pillow: Heap buffer overflow with nested list coordinates - CVE-2026-40192
Pillow is vulnerable to a FITS GZIP decompression bomb
Same vendor: n/a
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