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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-1940

⇱ NVD - CVE-2026-1940

  1. Vulnerabilities

CVE-2026-1940 Detail

Description

An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The patch added a size validation check lsize + 8 > size, but it does not account for the GST_ROUND_UP_2(lsize) used in the actual offset calculation. When lsize is an odd number, the parser advances more bytes than validated, causing OOB read.


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/security/cve/CVE-2026-1940 Red Hat, Inc. Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2436932 Red Hat, Inc. Issue Tracking  Vendor Advisory 
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4854 Red Hat, Inc. Broken Link 
https://gstreamer.freedesktop.org/security/sa-2026-0001.html Red Hat, Inc. Vendor Advisory 
https://security-tracker.debian.org/tracker/CVE-2026-1940 Red Hat, Inc. Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 6:16:45 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2026-03-24T13:43:35.376273Z","id":"CVE-2026-1940","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Red Hat, Inc. 6/17/2026 6:16:45 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gstreamer1","cpes":["cpe:/o:redhat:enterprise_linux:10"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","defaultStatus":"unknown","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gstreamer","cpes":["cpe:/o:redhat:enterprise_linux:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gstreamer","cpes":["cpe:/o:redhat:enterprise_linux:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gstreamer1","cpes":["cpe:/o:redhat:enterprise_linux:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gstreamer1","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"mingw-gstreamer1","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gstreamer1","cpes":["cpe:/o:redhat:enterprise_linux:9"]}]

Initial Analysis by NIST 5/04/2026 11:30:08 AM

Action Type Old Value New Value
Added CVSS V3.1 
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added CPE Configuration 
OR
 *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
 *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
 *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
 *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
 *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
 *cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
 *cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* versions up to (excluding) 1.28.1
 *cpe:2.3:a:freedesktop:gst-plugins-good:1.0.0:*:*:*:*:*:*:*
Added Reference Type 
Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-1940 Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2436932 Types: Issue Tracking, Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4854 Types: Broken Link
Added Reference Type 
Red Hat, Inc.: https://gstreamer.freedesktop.org/security/sa-2026-0001.html Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://security-tracker.debian.org/tracker/CVE-2026-1940 Types: Third Party Advisory

CVE Modified by CISA-ADP 3/24/2026 10:16:28 AM

Action Type Old Value New Value
Added CWE 
CWE-125

New CVE Received from Red Hat, Inc. 3/23/2026 6:16:25 PM

Action Type Old Value New Value
Added Description 
An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The patch added a size validation check lsize + 8 > size, but it does not account for the GST_ROUND_UP_2(lsize) used in the actual offset calculation. When lsize is an odd number, the parser advances more bytes than validated, causing OOB read.
Added CVSS V3.1 
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Added Reference 
https://access.redhat.com/security/cve/CVE-2026-1940
Added Reference 
https://bugzilla.redhat.com/show_bug.cgi?id=2436932
Added Reference 
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4854
Added Reference 
https://gstreamer.freedesktop.org/security/sa-2026-0001.html
Added Reference 
https://security-tracker.debian.org/tracker/CVE-2026-1940

Quick Info

CVE Dictionary Entry:
CVE-2026-1940
NVD Published Date:
03/23/2026
NVD Last Modified:
06/17/2026
Source:
Red Hat, Inc.