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Fencer Vulns
low 3.9

CVE-2026-91090 json

GPAC base_scenegraph.c gf_node_activate_ex stack-based overflow

published 2026-09-15 55 d ago modified 2026-09-17 52 d ago also EUVD-2026-78316

cvss
3.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

A vulnerability was determined in GPAC up to f1219cde. The affected element is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. This manipulation causes stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is sufficient to fix this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. The affected component should be upgraded.

Patch / fix

  • n/a GPAC abi-16.23

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
52 d ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/user-attachments/files/30399928/poc_17_nstatx.zip referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 2.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 3.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
CNA 3.0 3.9 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
CNA 2.0 3.2 AV:L/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:OF/RC:C
CNA 4.0 0.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 3.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
CNA 2.0 3.2 AV:L/AC:L/Au:S/C:N/I:P/A:P

Affected products

  • n/a GPAC

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.