CVE-2025-58183— Unbounded allocation when parsing GNU sparse map in archive/tar
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I. Basic Information for CVE-2025-58183
Vulnerability Information
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Vulnerability Title
Unbounded allocation when parsing GNU sparse map in archive/tar
Source: NVD (National Vulnerability Database)
Vulnerability Description
tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A maliciously-crafted archive containing a large number of sparse regions can cause a Reader to read an unbounded amount of data from the archive into memory. When reading from a compressed source, a small compressed input can result in large allocations.
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
Google Golang 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Golang是美国谷歌（Google）公司的一种静态强类型、编译型语言。Go的语法接近C语言，但对于变量的声明有所不同。Go支持垃圾回收功能。Go的并行模型是以东尼·霍尔的通信顺序进程（CSP）为基础，采取类似模型的其他语言包括Occam和Limbo，但它也具有Pi运算的特征，比如通道传输。 Google Golang存在安全漏洞，该漏洞源于未限制GNU tar pax稀疏文件中稀疏区域数据块的最大数量，可能导致恶意构造的归档文件引发内存无限分配。
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 |
|---|---|---|---|---|
| Go standard library | archive/tar | 0 ~ 1.24.8 | - |
II. Public POCs for CVE-2025-58183
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|---|
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Same Patch Batch · Go standard library · 2025-10-29 · 10 CVEs total
| CVE-2025-58187 | Quadratic complexity when checking name constraints in crypto/x509 | |
| CVE-2025-58186 | Lack of limit when parsing cookies can cause memory exhaustion in net/http | |
| CVE-2025-58188 | Panic when validating certificates with DSA public keys in crypto/x509 | |
| CVE-2025-58189 | ALPN negotiation error contains attacker controlled information in crypto/tls | |
| CVE-2025-58185 | Parsing DER payload can cause memory exhaustion in encoding/asn1 | |
| CVE-2025-47912 | Insufficient validation of bracketed IPv6 hostnames in net/url | |
| CVE-2025-61725 | Excessive CPU consumption in ParseAddress in net/mail | |
| CVE-2025-61724 | Excessive CPU consumption in Reader.ReadResponse in net/textproto | |
| CVE-2025-61723 | Quadratic complexity when parsing some invalid inputs in encoding/pem |
IV. Related Vulnerabilities
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Escaper bypass leads to XSS in html/template - CVE-2026-33811
Crash when handling long CNAME response in net - CVE-2026-42499
Quadratic string concatenation in consumePhrase in net/mail
V. Comments for CVE-2025-58183
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