RHSA-2026:68644

Vulnerability from csaf_opensuse - Published: 2026-09-17 00:00 - Updated: 2026-10-09 09:46
Summary
security update for gstreamer1-plugins-good
Severity
Important
Notes
Title of the patch: security update for gstreamer1-plugins-good
Description of the patch: This security update provides a functional equivalent of RHSA-2026:68644. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:68644.
Patchnames: RHSA-2026:68644
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-73433
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 9.6 EMS:gstreamer1-plugins-good-0:1.22.12-5.el9_6.3.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9.6 EMS:gstreamer1-plugins-good-0:1.22.12-5.el9_6.3.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9.6 EMS:gstreamer1-plugins-good-gtk-0:1.22.12-5.el9_6.3.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9.6 EMS:gstreamer1-plugins-good-gtk-0:1.22.12-5.el9_6.3.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-73434
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2026-73433
Threats
Impact important
References
To clipboard 

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          "text": "A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaining-length counter by fixed offsets (98 and 10 bytes) without verifying sufficient data remains. For crafted strd payloads of exactly 106 or 107 bytes, the counter underflows to a very large unsigned value, causing subsequent null-terminated string scanning to read far beyond the allocated heap buffer. Date-format normalization may also write beyond the buffer end. Confirmed impacts include heap out-of-bounds read, out-of-bounds write, heap information disclosure (adjacent data appearing in parsed metadata), and application crash/denial of service. The avidemux element is auto-plugged by playbin, decodebin, and gst-discoverer, so opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).",
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          "text": "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-\u003efields 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).",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.