CVE-2026-39103
GPAC Buffer Overflow Denial of Service
Description
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()
INFO
Published Date :
May 5, 2026, 4:16 p.m.
Last Modified :
May 29, 2026, 2:44 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update to GPAC version after the specified commit.
- Recompile the affected source code.
- Apply the patch to svg_attributes.c.
- Validate the integrity of the fix.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-39103.
| URL | Resource |
|---|---|
| https://github.com/gpac/gpac/commit/391dc7f4d234988ea0bc3cc294eb725eddf8f702 | Patch |
| https://github.com/gpac/gpac/issues/3506 | Issue Tracking Patch Vendor Advisory |
| https://github.com/gpac/gpac/issues/3506 | Issue Tracking Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-39103 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-39103
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-39103 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-39103 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 29, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:* versions up to (excluding) 2026-04-01 Added Reference Type MITRE: https://github.com/gpac/gpac/commit/391dc7f4d234988ea0bc3cc294eb725eddf8f702 Types: Patch Added Reference Type CISA-ADP: https://github.com/gpac/gpac/issues/3506 Types: Issue Tracking, Patch, Vendor Advisory Added Reference Type MITRE: https://github.com/gpac/gpac/issues/3506 Types: Issue Tracking, Patch, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 06, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CWE CWE-122 Added Reference https://github.com/gpac/gpac/issues/3506 -
New CVE Received by [email protected]
May. 05, 2026
Action Type Old Value New Value Added Description 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() Added Reference https://github.com/gpac/gpac/commit/391dc7f4d234988ea0bc3cc294eb725eddf8f702 Added Reference https://github.com/gpac/gpac/issues/3506