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2 vulnerabilities found for xdgmime by xdg

CVE-2026-16118 (GCVE-0-2026-16118)

Vulnerability from nvd – Published: 2026-07-17 19:44 – Updated: 2026-10-02 02:17

Title

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

Summary

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.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-22 18:18 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

redhat redhat root Scorecard

References

50 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:64799	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:64800	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:66451	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67956	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:70636	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71403	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71404	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71405	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72394	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72395	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72399	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72470	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72475	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72476	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72502	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73859	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73909	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73929	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73959	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73960	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73961	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73962	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74359	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74360	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74361	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74362	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74363	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74364	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74365	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74450	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74458	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74459	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74460	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74461	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74462	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74463	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74674	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74677	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74678	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74679	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74681	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74683	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74685	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74687	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74688	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74771	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-16118	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2501732	issue-trackingx_refsource_REDHAT
https://gitlab.freedesktop.org/xdg/xdgmime/-/work…

Impacted products

54 products

Vendor	Product	Version
xdg	xdgmime
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:2.80.4-12.el10_2.22 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:2.80.4-4.el10_0.18 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:2.56.4-178.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:2.68.4-19.el9_8.10 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:2.68.4-7.el9_2.8 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2::appstream cpe:/o:redhat:rhel_e4s:9.2::baseos
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:2.68.4-14.el9_4.9 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4::appstream cpe:/o:redhat:rhel_e4s:9.4::baseos
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:2.68.4-16.el9_6.8 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6::appstream cpe:/a:redhat:rhel_eus:9.6::crb cpe:/o:redhat:rhel_eus:9.6::baseos
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790223279 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790223719 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790272426 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790589998 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790589912 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790589914 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790589855 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20	Unaffected: 1790598593 , < * (rpm) cpe:/a:redhat:cert_manager:1.20::el9
Red Hat	Red Hat AI Inference Server 3.2	Unaffected: 1790621714 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.2::el9
Red Hat	Red Hat AI Inference Server 3.2	Unaffected: 1790621718 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.2::el9
Red Hat	Red Hat AI Inference Server 3.2	Unaffected: 1790621713 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.2::el9
Red Hat	Red Hat OpenShift AI 3.0	Unaffected: 1790276886 , < * (rpm) cpe:/a:redhat:openshift_ai:3.0::el9
Red Hat	Red Hat OpenShift AI 3.0	Unaffected: 1790276884 , < * (rpm) cpe:/a:redhat:openshift_ai:3.0::el9
Red Hat	Red Hat OpenShift AI 3.0	Unaffected: 1790277045 , < * (rpm) cpe:/a:redhat:openshift_ai:3.0::el9
Red Hat	Red Hat OpenShift AI 3.0	Unaffected: 1790276889 , < * (rpm) cpe:/a:redhat:openshift_ai:3.0::el9
Red Hat	Red Hat OpenShift AI 3.0	Unaffected: 1790276974 , < * (rpm) cpe:/a:redhat:openshift_ai:3.0::el9
Red Hat	Red Hat OpenShift AI 3.2	Unaffected: 1790703497 , < * (rpm) cpe:/a:redhat:openshift_ai:3.2::el9
Red Hat	Red Hat OpenShift AI 3.2	Unaffected: 1790703506 , < * (rpm) cpe:/a:redhat:openshift_ai:3.2::el9
Red Hat	Red Hat OpenShift AI 3.2	Unaffected: 1790703590 , < * (rpm) cpe:/a:redhat:openshift_ai:3.2::el9
Red Hat	Red Hat OpenShift AI 3.2	Unaffected: 1790703568 , < * (rpm) cpe:/a:redhat:openshift_ai:3.2::el9
Red Hat	Red Hat OpenShift AI 3.2	Unaffected: 1790703586 , < * (rpm) cpe:/a:redhat:openshift_ai:3.2::el9
Red Hat	Red Hat OpenShift AI 3.2	Unaffected: 1790703494 , < * (rpm) cpe:/a:redhat:openshift_ai:3.2::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1790703615 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1790703516 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1790703524 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1790703601 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1790703608 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1790703579 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703542 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703539 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703553 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703631 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703597 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703641 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703630 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703541 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.4	Unaffected: 1790703545 , < * (rpm) cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat	Red Hat OpenShift AI 3.5	Unaffected: 1790703552 , < * (rpm) cpe:/a:redhat:openshift_ai:3.5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1789479916 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1789479900 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1789479891 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1789482961 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1789478095 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Date Public

2026-07-07 00:00

Credits

Red Hat would like to thank asotyc for reporting this issue.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-16118",
                "options": [
                  {
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                  {
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-22T18:18:50.584747Z",
                "version": "2.0.3"
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        "providerMetadata": {
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            "tags": [
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            ],
            "url": "https://gitlab.freedesktop.org/xdg/xdgmime/-/work_items/41"
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          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "vendor": "Red Hat",
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          "product": "Cert Manager support for Red Hat OpenShift release 1.20",
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          "product": "Cert Manager support for Red Hat OpenShift release 1.20",
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          ]
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      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank asotyc for reporting this issue."
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      "datePublic": "2026-07-07T00:00:00.000Z",
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          "value": "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."
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