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CVE-2026-79522 GPAC CVE debrief

A CVE debrief for CVE-2026-79522, an out-of-bounds read vulnerability in GPAC v26.07.0 that allows for Denial of Service (DoS) via a crafted HTTP request. This vulnerability affects the gf_dm_get_chunk_data function in src/utils/downloader.c. Defenders should assess exposure and apply patches or updates to prevent potential Denial of Service (DoS) attacks. The vulnerability has a medium severity and a CVSS score of 6.5. The CVE record and NVD entry provide details on the vulnerability, including its description and affected versions.

Vendor
GPAC
Product
GPAC
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-09
Original CVE updated
2026-09-15
Advisory published
2026-09-09
Advisory updated
2026-09-15

Who should care

Defenders responsible for GPAC installations, particularly those using version 26.07.0, should assess exposure and apply patches or updates to prevent potential Denial of Service (DoS) attacks.

Why it matters

CVE-2026-79522 is a medium-severity vulnerability in GPAC v26.07.0 that allows for Denial of Service (DoS) via a crafted HTTP request. Defenders responsible for GPAC installations should assess exposure and apply patches or updates to prevent potential attacks.

  • Potential Denial of Service (DoS) attacks against GPAC installations
  • Need to verify GPAC version and apply patches or updates
  • Potential impact on service availability

Technical summary

The gf_dm_get_chunk_data function in src/utils/downloader.c of GPAC v26.07.0 is vulnerable to an out-of-bounds read, allowing attackers to cause a Denial of Service (DoS) via a crafted HTTP request. This vulnerability has a medium severity and a CVSS score of 6.5. The vulnerability affects the gf_dm_get_chunk_data function in src/utils/downloader.c of GPAC v26.07.0. Defenders should assess exposure and apply patches or updates to prevent potential Denial of Service (DoS) attacks.

Defensive priority

Medium priority for defenders to assess exposure and apply patches

Recommended defensive actions

  • Assess exposure of GPAC v26.07.0 installations to this vulnerability
  • Apply patches or updates to vulnerable GPAC installations
  • Monitor for potential Denial of Service (DoS) attacks

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. The vulnerability is caused by an out-of-bounds read in the gf_dm_get_chunk_data function in src/utils/downloader.c of GPAC v26.07.0. The CVE record was published on 2026-09-09T21:17:04.683Z and has not been modified since then. The NVD entry provides additional information on the vulnerability, including its CVSS score and affected versions. Defenders should

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79522 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79522

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79522 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79522

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.