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Vulnerabilities

Vulnerability · CVE-2026-1940

An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function.

Published Mar 23, 2026 · catalog updated Oct 15, 2026 · An incomplete fix for

Check if you run it

No confirmed exploitation is on record for CVE-2026-1940. EPSS is 0.22%. Act only if a listed version of An incomplete fix for is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An incomplete fix for).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Advisory link
Affected products
Debian:12 gst-plugins-good1.0 · Debian:13 gst-plugins-good1.0 · Debian:14 gst-plugins-good1.0 · cpe debian/debian linux · cpe freedesktop/gst-plugins-good · cpe gstreamer/gstreamer

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 gst-plugins-good1.00 → 1.22.0-5+deb12u4
  • Debian:13 gst-plugins-good1.00 → 1.26.2-1+deb13u2
  • Debian:14 gst-plugins-good1.00 → 1.28.1-1
  • cpe debian/debian linux11.0
  • cpe debian/debian linux12.0
  • cpe freedesktop/gst-plugins-good1.0.0
  • cpe gstreamer/gstreamerversion unspecified
  • cpe redhat/enterprise linux10.0
  • cpe redhat/enterprise linux7.0
  • cpe redhat/enterprise linux8.0
  • cpe redhat/enterprise linux9.0

How to fix CVE-2026-1940

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-1940. EPSS is 0.22%. Act only if a listed version of An incomplete fix for is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 11.0; debian/debian linux 12.0; redhat/enterprise linux 10.0; redhat/enterprise linux 7.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-125: Out-of-bounds Read. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 23, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

  3. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-good1.0 fixed in 1.22.0-5+deb12u4; gst-plugins-good1.0 fixed in 1.26.2-1+deb13u2; gst-plugins-good1.0 fixed in 1.28.1-1

  4. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-good1.0 fixed in 1.22.0-5+deb12u4

  5. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-good1.0 fixed in 1.26.2-1+deb13u2

  6. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-good1.0 fixed in 1.28.1-1

  7. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-1940

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-1940

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-1940

    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 num

    nvd.nist.gov
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2026-1940
    osv.dev

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.