GPAC URL url.c gf_url_concatenate_ex heap-based overflow
CVSS score
2.4
EPSS probability
%0.2
Risk score
0.0
Published
1 mo ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-91088 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
A vulnerability has been found in GPAC up to f1219cde. This issue affects the function gf_url_concatenate_ex of the file utils/url.c of the component URL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. Upgrading to version abi-16.23 is capable of addressing this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-91088 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | n/a | GPAC | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 4.8 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C | CVE CNA |
| 4.8 | CVSS V3_0 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C | CVE CNA |
| 4.8 | CVSS V31 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L | NVD |
| 4.3 | CVSS V2_0 | — | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C | CVE CNA |
| 4.3 | CVSS V2 | — | AV:L/AC:L/Au:S/C:P/I:P/A:P | NVD |
| 2.4 | CVSS V4_0 | LOW | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X | CVE CNA |
| 2.4 | CVSS V40 | LOW | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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 | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-91088 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-2026-91088 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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