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CVE-2023-46932VulnerabilityPublished Updated

CVE-2023-46932: n/a

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.1% chance of exploitation in 30 days – higher than 65% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Dec 2023

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

AI-suggested

1. Immediate mitigation should focus on restricting or monitoring the ingestion of untrusted or unauthenticated media files, especially MP4 files, to prevent processing of potentially malicious content. 2. Employ application-layer sandboxing or containerization for GPAC/MP4Box processes to limit the impact of potential exploitation. 3. Monitor system and application logs for abnormal crashes or suspicious activity related to media processing tools. 4. Implement network-level controls to restrict access to systems running GPAC, limiting exposure to external attackers. 5. Until an official patch is released, consider using alternative, secure multimedia processing tools or versions not affected by this vulnerability. 6. Engage with the GPAC development community or vendor to obtain patches or security advisories promptly. 7. Conduct regular vulnerability scanning and penetration testing focusing on media processing components to detect exploitation attempts. 8. Educate relevant IT and security staff about this vulnerability and the risks of processing untrusted media files.

Description

Heap Buffer Overflow vulnerability in GPAC version 2.3-DEV-rev617-g671976fcc-master, allows attackers to execute arbitrary code and cause a denial of service (DoS) via str2ulong class in src/media_tools/avilib.c in gpac/MP4Box.

References

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