CVE-2021-20300
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I. Basic Information for CVE-2021-20300
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
ILM OpenEXR 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ILM OpenEXR是美国Industrial Light and Magic（ILM）公司的一种图像文件格式，适用于高动态范围（HDR）图像。 ILM OpenEXR 存在输入验证错误漏洞，该漏洞源于产品的 Imf_2_5::hufUncompress 存在整型溢出，攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响: Openexr 2.2.0-11+deb9u4。
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 |
|---|---|---|---|---|
| - | OpenEXR | Fixed in v2.5.4 and beyond. | - |
II. Public POCs for CVE-2021-20300
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2022-03-04 · 45 CVEs total
| CVE-2022-23915 | 7.2 HIGH | Remote Code Execution (RCE) |
| CVE-2022-26484 | 4.9 MEDIUM | Veritas InfoScale Operations Manager路径遍历漏洞 |
| CVE-2022-26483 | 4.8 MEDIUM | Veritas Infoscale Operations Manager 跨站脚本漏洞 |
| CVE-2021-3656 | KVM 安全漏洞 | |
| CVE-2021-3743 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2021-27757 | HCL BigFix Insights 安全漏洞 | |
| CVE-2021-27756 | HCL BigFix Compliance 加密问题漏洞 | |
| CVE-2021-44827 | Tp-link Archer C2 操作系统命令注入漏洞 | |
| CVE-2021-40846 | Rhinode Trading Paints 安全漏洞 | |
| CVE-2021-46384 | MingSoft MCMS 访问控制错误漏洞 | |
| CVE-2021-46353 | D-Link Dir-X1860 安全漏洞 | |
| CVE-2022-23233 | Netapp StorageGRID 安全漏洞 | |
| CVE-2022-23232 | Netapp StorageGRID 授权问题漏洞 | |
| CVE-2021-3575 | OpenJPEG 缓冲区错误漏洞 | |
| CVE-2021-3428 | Linux kernel 输入验证错误漏洞 | |
| CVE-2021-20319 | coreos-installer 数据伪造问题漏洞 | |
| CVE-2022-21828 | Incapptic Connect 安全漏洞 | |
| CVE-2022-25623 | Symantec Management Center 安全漏洞 | |
| CVE-2021-3744 | Linux kernel 安全漏洞 | |
| CVE-2022-23729 | LG mobile 授权问题漏洞 |
Showing top 20 of 45 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: OpenEXR
- CVE-2026-42217
OpenEXR: Shift exponent overflow in `readVariableLengthInteg - CVE-2026-42216
OpenEXR: Out-of-bounds read in `IDManifest::init()` during p - CVE-2026-41142
OpenEXR is Vulnerable to Integer overflow in ImageChannel::r - CVE-2026-40250
OpenEXR has integer overflow in DWA decoder outBufferEnd poi - CVE-2026-40244
OpenEXR has integer overflow in DWA setupChannelData planarU
Same vendor: n/a
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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
Same weakness: CWE-190
- CVE-2026-7568
Signed integer overflow in metaphone() - CVE-2026-42311
Pillow: OOB Write with Invalid PSD Tile Extents (Integer Ove - CVE-2026-42308
Pillow: Integer overflow when processing fonts - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-42199
Grid: Integer Overflow in Grid::expand_rows Leads to Safe-AP
V. Comments for CVE-2021-20300
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