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CVE-2026-59691

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit pixels. This type mismatch causes an out-of-bounds heap write that can lead to denial of service (process crash) and potential memory corruption.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:686750b40167587c789f7650779cc509ecf5a885e1f9ee746e2f19859be7a34a
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:7"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/4

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream","cpe:/a:redhat:enterprise_linux:8::crb"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.16.1-9.el8_10.1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/a:redhat:enterprise_linux:9::crb"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.22.12-7.el9_8.3","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.26.7-2.el10_2.6","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"gstreamer-plugins-bad-free","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/3

Affected products and versions

6 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"gstreamer-plugins-bad-free","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream","cpe:/a:redhat:enterprise_linux:8::crb"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.16.1-9.el8_10.1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/a:redhat:enterprise_linux:9::crb"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.22.12-7.el9_8.3","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"gstreamer1-plugins-bad-free","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.26.7-2.el10_2.6","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"gstreamer-plugins-bad-free","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"name":"RHSA-2026:47179","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:47179"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/0
{"name":"RHSA-2026:47180","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:47180"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/1
{"name":"RHSA-2026:47731","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:47731"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/2
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-59691"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/3
{"name":"RHBZ#2497343","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497343"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/4
{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/100"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/5
{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5173"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:437e3a2116228bf92d40550079790761080522ff9f721054b3588e8108fc97b9 · sha256:04af3229267488f5… · /containers/cna/references/6

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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