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Fencer Vulns
high 7.8

CVE-2022-43040 json

GPAC 2.1-DEV-rev368-gfd054169b-master was discovered to contain a heap buffer overflow via the function gf_isom_box_dump_start_ex at /isome…

published 2022-10-19 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46089

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

GPAC 2.1-DEV-rev368-gfd054169b-master was discovered to contain a heap buffer overflow via the function gf_isom_box_dump_start_ex at /isomedia/box_funcs.c.

Patch / fix

  • gpac gpac 2.2.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/gpac/gpac/issues/2280 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.