---
id: CVE-2026-1485
title: >-
  Glib: glib: local denial of service via buffer underflow in content type
  parsing
summary: >-
  A flaw was found in Glib's content type parsing logic. This buffer underflow
  vulnerability occurs because the length of a header line is stored in a signed
  integer, which can lead to integer wraparound for very large inputs. This
  results…
severity: low
cvss: 2.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-124
vendor: Red Hat
product: bootc
affected:
  - bootc (all versions)
  - glib2 (all versions)
  - glycin-loaders (all versions)
  - loupe (all versions)
  - mingw-glib2 (all versions)
  - papers (all versions)
  - rpm-ostree (all versions)
  - glib2 (all versions)
  - glib2 (all versions)
  - glib2 (all versions)
  - librsvg2 (all versions)
  - mingw-glib2 (all versions)
  - bootc (all versions)
  - glib2 (all versions)
  - librsvg2 (all versions)
  - mingw-glib2 (all versions)
  - rhoai/odh-ai-gateway-operator-rhel9
  - rhoai/odh-core-bff-rhel9
  - rhoai/odh-dashboard-operator-rhel9
  - rhoai/odh-dashboard-rhel9
  - rhoai/odh-data-science-pipelines-operator-controller-rhel9
  - rhoai/odh-kf-notebook-controller-rhel9
  - rhoai/odh-kserve-controller-rhel9
  - rhoai/odh-kserve-llmisvc-controller-rhel9
  - rhoai/odh-kserve-module-operator-rhel9
  - rhoai/odh-kuberay-operator-controller-rhel9
  - rhoai/odh-kube-rbac-proxy-rhel9
  - rhoai/odh-llama-stack-k8s-operator-rhel9
  - rhoai/odh-maas-controller-rhel9
  - rhoai/odh-mlflow-operator-rhel9
  - rhoai/odh-mlflow-rhel9
  - rhoai/odh-mod-arch-agent-ops-rhel9
  - rhoai/odh-mod-arch-automl-rhel9
  - rhoai/odh-mod-arch-autorag-rhel9
  - rhoai/odh-mod-arch-eval-hub-rhel9
  - rhoai/odh-mod-arch-gen-ai-rhel9
  - rhoai/odh-mod-arch-maas-rhel9
  - rhoai/odh-mod-arch-mlflow-rhel9
  - rhoai/odh-mod-arch-model-registry-rhel9
  - rhoai/odh-model-controller-rhel9
  - rhoai/odh-model-registry-operator-rhel9
  - rhoai/odh-model-serving-api-rhel9
  - rhoai/odh-notebook-controller-rhel9
  - rhoai/odh-ogx-k8s-operator-rhel9
  - rhoai/odh-ogx-module-operator-rhel9
  - rhoai/odh-training-operator-rhel9
  - rhoai/odh-trustyai-service-operator-rhel9
  - rhoai/odh-workbenches-operator-rhel9
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-01-27T14:39:59.509071Z'
published: '2026-01-27'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T17:53:47.196Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-1485'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-1485'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2433325'
    label: RHBZ#2433325
  - url: 'https://gitlab.gnome.org/GNOME/glib/-/issues/3871'
tags:
  - cve.org
epss: 0.00156
epssPercentile: 0.04767
ingestedAt: '2026-11-06T18:00:12.496Z'
---

## Overview

A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.

## Affected

- `bootc (all versions)`
- `glib2 (all versions)`
- `glycin-loaders (all versions)`
- `loupe (all versions)`
- `mingw-glib2 (all versions)`
- `papers (all versions)`
- `rpm-ostree (all versions)`
- `glib2 (all versions)`
- `glib2 (all versions)`
- `glib2 (all versions)`
- `librsvg2 (all versions)`
- `mingw-glib2 (all versions)`
- `bootc (all versions)`
- `glib2 (all versions)`
- `librsvg2 (all versions)`
- `mingw-glib2 (all versions)`
- `rhoai/odh-ai-gateway-operator-rhel9`
- `rhoai/odh-core-bff-rhel9`
- `rhoai/odh-dashboard-operator-rhel9`
- `rhoai/odh-dashboard-rhel9`
- `rhoai/odh-data-science-pipelines-operator-controller-rhel9`
- `rhoai/odh-kf-notebook-controller-rhel9`
- `rhoai/odh-kserve-controller-rhel9`
- `rhoai/odh-kserve-llmisvc-controller-rhel9`
- `rhoai/odh-kserve-module-operator-rhel9`
- `rhoai/odh-kuberay-operator-controller-rhel9`
- `rhoai/odh-kube-rbac-proxy-rhel9`
- `rhoai/odh-llama-stack-k8s-operator-rhel9`
- `rhoai/odh-maas-controller-rhel9`
- `rhoai/odh-mlflow-operator-rhel9`
- `rhoai/odh-mlflow-rhel9`
- `rhoai/odh-mod-arch-agent-ops-rhel9`
- `rhoai/odh-mod-arch-automl-rhel9`
- `rhoai/odh-mod-arch-autorag-rhel9`
- `rhoai/odh-mod-arch-eval-hub-rhel9`
- `rhoai/odh-mod-arch-gen-ai-rhel9`
- `rhoai/odh-mod-arch-maas-rhel9`
- `rhoai/odh-mod-arch-mlflow-rhel9`
- `rhoai/odh-mod-arch-model-registry-rhel9`
- `rhoai/odh-model-controller-rhel9`
- `rhoai/odh-model-registry-operator-rhel9`
- `rhoai/odh-model-serving-api-rhel9`
- `rhoai/odh-notebook-controller-rhel9`
- `rhoai/odh-ogx-k8s-operator-rhel9`
- `rhoai/odh-ogx-module-operator-rhel9`
- `rhoai/odh-training-operator-rhel9`
- `rhoai/odh-trustyai-service-operator-rhel9`
- `rhoai/odh-workbenches-operator-rhel9`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

### Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.