CVE-2023-44429Network attack vector

Code execution via AV1 parser heap overflow

Published May 3, 2024 · Updated Aug 2, 2024

Heap-based buffer overflow in GStreamer gst-plugins-bad before 1.22.7 allows remote attackers to execute code through malformed AV1 video. The AV1 parser fails to validate a user-supplied length before copying data into a fixed-length heap buffer, allowing the copy to exceed the allocation. Exploitation requires an application to process the crafted stream and results in code execution within that application's process or an application crash.

CVSS severity8.8
High
EPSS probability2.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-based buffer overflow in GStreamer gst-plugins-bad before 1.22.7 allows remote attackers to execute code through malformed AV1 video. The AV1 parser fails to validate a user-supplied length before copying data into a fixed-length heap buffer, allowing the copy to exceed the allocation. Exploitation requires an application to process the crafted stream and results in code execution within that application's process or an application crash.

The record

CVE
CVE-2023-44429
Published
May 3, 2024
Updated
Aug 2, 2024
Vendor
GStreamer Project
Product
GStreamer
Classifications
CWE-122, CWE-787, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4bda59f88d148a41b412705d4739342123a192d9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GStreamer Project · GStreamerversion=4bda59f88d148a41b412705d4739342123a192d9

Published CVSS scores

8.8Zero Day InitiativeCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8UbuntuCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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