Public vulnerability disclosure

CVE-2026-16118

Xdgmime: heap-based buffer overflow in _xdg_mime_magic_parse_magic_line() in xdgmimemagic.c

publishedCWE-122

A flaw was found in xdgmime. A heap-based buffer overflow can be triggered in _xdg_mime_magic_parse_magic_line() in the xdgmimemagic.c file on little-endian systems when an attacker-controlled MIME magic file in a user-writable XDG data location (e.g., in the $XDG_DATA_HOME/mime/magic path) is parsed by an application performing MIME type detection (e.g., via g_content_type_guess()). When performing byte-swap, incorrect pointer arithmetic on the write side causes an out-of-bounds write of 2 bytes, resulting in an application crash or memory corruption.

Technical severity7.1 highCVSS 3.1 · CNA: redhat
Published2026-07-17Source updated 2026-11-05
Collected2026-11-053 attributed sources

Fixes and workarounds

Workaround

Do not install a MIME magic file or content from untrusted sources.

Source: CNA: redhat

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
xdgmime
xdg
xdgmime
https://gitlab.freedesktop.org/xdg/xdgmime
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 10
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.80.4-12.el10_2.22; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.80.4-4.el10_0.18; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.56.4-178.el8_10; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.68.4-19.el9_8.10; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.68.4-7.el9_2.8; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.68.4-14.el9_4.9; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.6 Extended Update Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
≥ 0:2.68.4-16.el9_6.8; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791371080; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791371069; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791788287; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791378395; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/
≥ 1791970484; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791459707; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791459711; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791459759; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789029076; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/
≥ 1791966259; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790223279; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790223719; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790272426; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589998; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589912; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589914; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589855; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-trust-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790598593; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.2
Red Hat
rhaiis/model-opt-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790621714; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.2
Red Hat
rhaiis/vllm-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790621718; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.2
Red Hat
rhaiis/vllm-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790621713; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791425869; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-gaudi-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791427182; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/model-opt-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791803821; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791473631; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791818357; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791473614; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Cost Management On-Premise 1
Red Hat
costmanagement/costmanagement-ui-rhel10
https://catalog.redhat.com/software/containers/
≥ 1791460851; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/disk-image-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793206758; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/bootc-aws-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793194817; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/bootc-azure-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793194815; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/bootc-azure-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793194834; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/bootc-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793135861; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/bootc-gcp-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793194815; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux AI 3.5
Red Hat
rhelai3/bootc-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1793135863; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276886; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276884; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790277045; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276889; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276974; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703497; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703506; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703590; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703568; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703586; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703494; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703615; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703516; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-rocm-6.4-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703524; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-cuda-13.0-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703601; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-rocm-7.0-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703516; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-cuda-12.9-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703608; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703579; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-neuron-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703516; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-cuda-13.0-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791231820; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.3
Red Hat
rhai/base-image-cuda-12.9-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791232257; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-neuron-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703542; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703539; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-gaudi-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703553; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703631; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703597; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-cuda-13.0-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703641; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-cuda-12.9-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703630; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-rocm-7.1-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703541; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-rocm-6.4-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703545; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-gaudi-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703552; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703656; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-neuron-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703557; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-rubin-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703707; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-cuda-13.0-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703645; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703554; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-rocm-7.14-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703554; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703630; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.5
Red Hat
rhai/base-image-cuda-12.9-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703706; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789479916; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789479900; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/haproxy-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789479891; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789482961; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789478095; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
webkitgtk4
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
webkit2gtk3
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
webkit2gtk3
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 7.1
high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:HCNA: redhat
3.1 / 7.1
high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:HNVD: [email protected]

Exploit evidence

References

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