PatchSiren cyber security CVE debrief
CVE-2026-50810 GPAC CVE debrief
CVE-2026-50810 is a NULL pointer dereference vulnerability in smooth_parse_stream_index() in src/media_tools/mpd.c in GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5. This vulnerability allows attackers to cause a denial of service. The vulnerability is due to a NULL pointer being dereferenced in the smooth_parse_stream_index() function. Users of GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5 should be aware of this vulnerability and take necessary precautions.
- Vendor
- GPAC
- Product
- GPAC
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-07
- Original CVE updated
- 2026-07-10
- Advisory published
- 2026-07-07
- Advisory updated
- 2026-07-10
Who should care
Users of GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5 should be aware of this vulnerability and take necessary precautions. This includes operators, platform administrators, vulnerability management teams, and security teams who may be impacted by this vulnerability.
Technical summary
A NULL pointer dereference in smooth_parse_stream_index() in src/media_tools/mpd.c in GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5 allows attackers to cause a denial of service. The vulnerability is due to a NULL pointer being dereferenced in the smooth_parse_stream_index() function. This function is part of the GPAC media tools and is used to parse stream indexes. Users of GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5 should be aware of this vulnerability and take necessary precautions, including reviewing the official advisory or CVE record to validate affected scope, severity, and vendor guidance, and confirming whether affected product deployments exist in managed environments.
Defensive priority
High
Recommended defensive actions
- Update GPAC to commit b35c61f104b85fbb16520ac2838d5d2ef70845b5 or later
- Monitor for suspicious activity
- Implement compensating controls
- Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
Evidence notes
The CVE record was published on 2026-07-07T23:16:54.887Z and has not been modified since then. The NVD entry is currently Received. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The vulnerability is a NULL pointer dereference in smooth_parse_stream_index() in src/media_tools/mpd.c in GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5.
Sources and references
Verified primary and authoritative sources
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CVE-2026-50810 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-50810
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-50810 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50810
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://gist.github.com/junius-sec/0c67bf67a268ff8861100bfc132e801c
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Source reference
Unverified legacy reference
URL: https://github.com/gpac/gpac/commit/b35c61f104b85fbb16520ac2838d5d2ef70845b5
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Source reference
Unverified legacy reference
URL: https://github.com/gpac/gpac/issues/3507
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.