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TI-2026-28265 Aliases CVE-2026-39103GHSA-fww4-38vg-fx8g

Buffer Overflow vulnerability in GPAC before commit…

Priority MEDIUM 58CWE-122Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

Buffer Overflow vulnerability in GPAC before commit v391dc7f4d234988ea0bc3cc294eb725eddf8f702 allows an attacker to cause a denial of service via the src/scenegraph/svg_attributes.c, svg_parse_strings(), gf_svg_parse_attribute()

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00111 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*before 2026-04-01Vulnerablegpac
  • cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:* Versions before 2026-04-01 Vulnerable ·gpac

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39103
  2. 2026-10-03 Alias added: GHSA-fww4-38vg-fx8g

References

  • TI-2023-25004 An issue was discovered in gpac version 2.3-DEV-rev588-g7edc40fee-master, allows remote… CVSS 3.1CRITICAL 9.8
  • TI-2025-43085 GPAC v2.4.0 was discovered to contain an out-of-bounds read in the oggdmx_parse_tags function. CVSS 3.1HIGH 8.2
  • TI-2024-00295 Stack-based Buffer Overflow in gpac/gpac CVSS 3.1CRITICAL 9.8
  • TI-2023-25341 Heap Buffer Overflow vulnerability in GPAC version 2.3-DEV-rev617-g671976fcc-master… CVSS 3.1CRITICAL 9.8
  • TI-2023-02661 NULL Pointer Dereference in gpac/gpac CVSS 3.1CRITICAL 9.8
  • TI-2026-22173 GPAC NHML Demuxer (dmx_nhml.c) Vulnerable to Stack Buffer Overflow CVSS 4.0HIGH 7.7
See all 400 →

Sources