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CVE-2026-16118

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 byte
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c093458c13cce2eaccb69085a2a8dd7ad967af4db2af43ff429abc4e82337ec9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"glib2","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"webkitgtk4","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"glib2","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"webkit2gtk3","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"webkit2gtk3","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/3

{"collectionURL":"https://gitlab.freedesktop.org/xdg/xdgmime","defaultStatus":"affected","packageName":"xdgmime","product":"xdgmime","vendor":"xdg"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/0

Affected products and versions

6 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"glib2","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"webkitgtk4","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"glib2","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"webkit2gtk3","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"webkit2gtk3","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/3
{"collectionURL":"https://gitlab.freedesktop.org/xdg/xdgmime","defaultStatus":"affected","packageName":"xdgmime","product":"xdgmime","vendor":"xdg"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-122","description":"Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-16118"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/references/0
{"name":"RHBZ#2501732","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2501732"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/references/1
{"url":"https://gitlab.freedesktop.org/xdg/xdgmime/-/work_items/41"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://gitlab.freedesktop.org/xdg/xdgmime/-/work_items/41"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae7dee87089945270590d11c0565a7943c2aaf3e0f5751faf01e356b3cc9e065 · sha256:c6931995ba1ccc93… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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