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CVE-2026-82254— gitoxide before 0.69.0 Denial of Service via gix-pack

Quick assessment

Affected
GitoxideLabs gitoxide
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitoxideLabs gitoxide是GitoxideLabs团队的一款高性能的Git版本控制工具。 GitoxideLabs gitoxide 0.69.0之前版本存在异常处理不当漏洞，该漏洞源于delta application中存在未检查的数组索引，且gix-pack中攻击者控制的大小标头导致无上限分配，攻击者可通过在克隆或获取操作期间发送特制pack数据，触发进程崩溃或内存耗尽，导致拒绝服务。

CVSS 7.5 · High EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1218 · System Binary Proxy Execution

Affected Version Matrix 2

VendorProduct Version RangeStatus
GitoxideLabs gitoxide < 0.69.0 affected
0.69.0 unaffected
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I. Basic Information for CVE-2026-82254

Vulnerability Information
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Vulnerability Title
gitoxide before 0.69.0 Denial of Service via gix-pack
Source: CVE Program / CVE List V5
Vulnerability Description
gitoxide before 0.69.0 contains unchecked array indexing in delta application and uncapped allocation from attacker-controlled size headers in gix-pack. Attackers can send crafted pack data during clone or fetch operations to trigger panics or out-of-memory process kills.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
GitoxideLabs gitoxide 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitoxideLabs gitoxide是GitoxideLabs团队的一款高性能的Git版本控制工具。 GitoxideLabs gitoxide 0.69.0之前版本存在异常处理不当漏洞，该漏洞源于delta application中存在未检查的数组索引，且gix-pack中攻击者控制的大小标头导致无上限分配，攻击者可通过在克隆或获取操作期间发送特制pack数据，触发进程崩溃或内存耗尽，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
GitoxideLabs gitoxide 0 ~ 0.69.0 -

II. Public POCs for CVE-2026-82254

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III. Intelligence Information for CVE-2026-82254

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Vendor Advisories for CVE-2026-82254 (2)

Same Patch Batch · GitoxideLabs · 2026-08-28 · 9 CVEs total

CVE-2026-82247 7.5 HIGH gitoxide before 0.37.1 HTTP Basic credential leak via URL parsing
CVE-2026-82251 7.5 HIGH gitoxide before 0.52.1 Path Traversal via Submodule Name
CVE-2026-82253 7.5 HIGH gitoxide before 0.82.0 Path Traversal via Submodule Name Validation Bypass
CVE-2026-82252 7.5 HIGH gitoxide before 0.52.1 Repository Boundary Violation via symlinked .gitmodules
CVE-2026-82255 6.8 MEDIUM gitoxide 0.25.4 HTTP Credential Leak via Redirect
CVE-2026-82250 6.5 MEDIUM gitoxide gix-packetline before 0.21.5 Denial of Service
CVE-2026-82248 5.3 MEDIUM gitoxide before 0.33.0 Path Traversal via symlink following
CVE-2026-82249 3.1 LOW gitoxide before 0.38.2 Credential Helper Protocol Field Injection

IV. Related Vulnerabilities

Same product: gitoxide
Same vendor: GitoxideLabs
Same weakness: CWE-248

V. Comments for CVE-2026-82254

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