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CVE-2026-73434 Details

Description

A flaw was found in GStreamer gst-plugins-good (avidemux). In gst_avi_demux_riff_parse_vprp(), the number of available gst_riff_vprp_video_field_desc entries is calculated by dividing the remaining buffer size by the attacker-controlled vprp->fields value, rather than by sizeof(gst_riff_vprp_video_field_desc). This can cause the parser to treat more field descriptors as available than fit in the input buffer, resulting in out-of-bounds reads. Processing a crafted AVI via playbin/decodebin can crash the application (denial of service). Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:55434 [email protected]Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:55436 [email protected]Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:56966 [email protected]
https://access.redhat.com/errata/RHSA-2026:65959 [email protected]
https://access.redhat.com/errata/RHSA-2026:68642 [email protected]

see all 15 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]

Affected Products

ProductVersions
gstreamer gstreamer
< 1.28.6

CPE

  • cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
7.0
8.0
9.0
10.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

15 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-73434
NVD Published Date:
Aug 12, 2026
NVD Last Modified:
Sep 23, 2026
Source:
[email protected]
CVE-2026-73434 Details - Not Deferred