What is CVE-2026-18649?

CVE-2026-18649 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-06.

How severe is CVE-2026-18649?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2026-18649 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Red Hat Enterprise Linux 10

CVE-2026-18649

A flaw was found in the GStreamer gst-plugins-good package. The rtph264depay and rtph265depay RTP depayloader elements do not enforce a maximum size limit on the reassembly buffer used during fragmented RTP packet processing. A remote, una…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

0xSemizzz/CVE-2026-18649

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com

Frequently asked questions

What is CVE-2026-18649?: CVE-2026-18649 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-06.
How severe is CVE-2026-18649?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2026-18649 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.