CVE-2026-34165— go-git: Maliciously crafted idx file can cause asymmetric memory consumption
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-34165
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
go-git: Maliciously crafted idx file can cause asymmetric memory consumption
Source: NVD (National Vulnerability Database)
Vulnerability Description
go-git is an extensible git implementation library written in pure Go. From version 5.0.0 to before version 5.17.1, a vulnerability has been identified in which a maliciously crafted .idx file can cause asymmetric memory consumption, potentially exhausting available memory and resulting in a denial-of-service (DoS) condition. Exploitation requires write access to the local repository's .git directory, it order to create or alter existing .idx files. This issue has been patched in version 5.17.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
go-git 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
go-git是go-git开源的一个用纯 Go 编写的高度可扩展的 git 实现库。 go-git 5.17.1之前版本存在安全漏洞，该漏洞源于特制的.idx文件可能导致非对称内存消耗，可能耗尽可用内存并导致拒绝服务。
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
II. Public POCs for CVE-2026-34165
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-34165
请登录查看更多情报信息。
- Release v5.17.1 · go-git/go-git · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-34165
IV. Related Vulnerabilities
Same product: go-git
- CVE-2026-41506
go-git Credential leak via cross-host redirect in smart HTTP - CVE-2026-33762
go-git: Missing validation decoding Index v4 files leads to - CVE-2026-25934
go-git improperly verifies data integrity values for .idx an - CVE-2025-21614
go-git clients vulnerable to DoS via maliciously crafted Git - CVE-2025-21613
go-git has an Argument Injection via the URL field
Same vendor: go-git
- CVE-2026-41506
go-git Credential leak via cross-host redirect in smart HTTP - CVE-2026-33762
go-git: Missing validation decoding Index v4 files leads to - CVE-2026-25934
go-git improperly verifies data integrity values for .idx an - CVE-2025-21614
go-git clients vulnerable to DoS via maliciously crafted Git - CVE-2025-21613
go-git has an Argument Injection via the URL field
Same weakness: CWE-191
- CVE-2026-7736
osrg GoBGP mrt.go parseRibEntry integer underflow - CVE-2026-33845
Gnutls: gnutls: denial of service via dtls zero-length fragm - CVE-2026-7424
Integer Underflow in DHCPv6 Sub-Option Parser in FreeRTOS-Pl - CVE-2026-7423
Integer Underflow in ICMP Echo Reply Processing in FreeRTOS- - CVE-2026-6914
MD5 checksum creation may cause availability loss
V. Comments for CVE-2026-34165
No comments yet