CVE-2026-34165

mediumpriority · track · 0EPSS 0.001 · 4 %ileDEEUFRRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.15% (4th) EPSS

CVSS 5 · medium

Is it mine?

32 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedsteampipe-0:2.4.1-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsteampipe-0:2.4.1-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsteampipe-0:2.4.1-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedsteampipe-0:2.4.1-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15mediumAV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · security-advisories@github.comexploitability 1.3 · impact 3.6

v3.15mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · OSV

v3.14.6mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-191USCWE-191USCWE-191USCWE-770USCWE-770USCWE-770US

affected products (32)

Products and version ranges known to be affected.

go-git go-git5.0.0, → 5.17.1enisa_euvdEU
GitHub Inc go-git5.0.0 → 5.17.1fstec_bduRU
Red Hat Inc. Assisted Installer for Red Hat OpenShift Container Platform≤ 2fstec_bduRU
Red Hat Inc. Builds for Red Hat OpenShiftall versionsfstec_bduRU
Red Hat Inc. Confidential Compute Attestationall versionsfstec_bduRU
Red Hat Inc. External Secrets Operator for Red Hat OpenShiftall versionsfstec_bduRU
Red Hat Inc. Kernel Module Management Operator for Red Hat Openshiftall versionsfstec_bduRU
Red Hat Inc. Logging subsystem for Red Hat OpenShiftall versionsfstec_bduRU
Red Hat Inc. Machine Deletion Remediation Operatorall versionsfstec_bduRU
Red Hat Inc. Migration Toolkit for Containersall versionsfstec_bduRU
Red Hat Inc. Migration Toolkit for Virtualizationall versionsfstec_bduRU
Red Hat Inc. OpenShift Container Platform≤ 4fstec_bduRU
Red Hat Inc. OpenShift Developer Tools and Servicesall versionsfstec_bduRU
Red Hat Inc. OpenShift Pipelinesall versionsfstec_bduRU
Red Hat Inc. OpenShift Serverlessall versionsfstec_bduRU
Red Hat Inc. Openshift Service Mesh≤ 3fstec_bduRU
Red Hat Inc. Openshift Service Mesh≤ 2fstec_bduRU
Red Hat Inc. Pen Drive Powered by Red Hat Lightspeedall versionsfstec_bduRU
Red Hat Inc. Red Hat AI Inference Serverall versionsfstec_bduRU
Red Hat Inc. Red Hat Advanced Cluster Management for Kubernetes 2all versionsfstec_bduRU

showing 20 of 32

advisories (4)

Vendor and ecosystem advisories describing this.

openSUSE-SU-2026:10509-1steampipe-2.4.1-1.1 on GA media2026-04-08csaf · suse_csafDE
steampipe-2.4.1-1.1 on GA media
GHSA-jhf3-xxhw-2wppgo-git: Maliciously crafted idx file can cause asymmetric memory consumption2026-03-30ghsa · osvUS
### Impact 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. ### Patches Users should upgrade to `v5.17.1`, or the latest `v6` [pseudo-version](https://go.dev/ref/mod#pseudo-versions), in order to mitigate this vulnerability. ### Credit The go-git maintainers thank @kq5y for finding and reporting this issue privately to the `go-git` project.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
GO-2026-4910Maliciously crafted idx file can cause asymmetric memory consumption in github.com/go-git/go-git2026-04-07vendor · osvUS
Maliciously crafted idx file can cause asymmetric memory consumption in github.com/go-git/go-git

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv suse_csaf certfr NVD CVE.org MITRE

published 2026-03-31modified 2026-08-05

references (7)

External citations — patches, advisories, analysis.

scry

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