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TI-2026-15052 Aliases CVE-2026-18299GHSA-7xww-j5h2-23gh

Use after free in GStreamer

Priority LOW 35CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 14 fixed, 1 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the processing of RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29787.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00207 10th percentileScored 2026-11-07
Fix Partial Red Hat: 11 advisoriesRed Hat: 14 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GStreamerGStreamer99fde1184fe8b12d0721230941c1bf2080913183—No fix listedCNA
  • GStreamer VendorGStreamer Affected 99fde1184fe8b12d0721230941c1bf2080913183 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*before 1.28.5VulnerableGStreamer
  • cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* Versions before 1.28.5 Vulnerable ·GStreamer

Remediation

Red Hat 11 advisories

  • RHSA-2026:73424 Released 2026-09-29 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) gstreamer1-plugins-good-1.16.1-4.el8_4.5, gstreamer1-plugins-good-gtk-1.16.1-4.el8_4.5
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) gstreamer1-plugins-good-1.16.1-4.el8_4.5, gstreamer1-plugins-good-gtk-1.16.1-4.el8_4.5
  • RHSA-2026:73040 Released 2026-09-29 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) gstreamer1-plugins-good-1.16.1-5.el8_8.6, gstreamer1-plugins-good-gtk-1.16.1-5.el8_8.6
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) gstreamer1-plugins-good-1.16.1-5.el8_8.6, gstreamer1-plugins-good-gtk-1.16.1-5.el8_8.6
  • RHSA-2026:72482 Released 2026-09-28 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) gstreamer1-plugins-good-1.16.1-4.el8_6.6, gstreamer1-plugins-good-gtk-1.16.1-4.el8_6.6
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) gstreamer1-plugins-good-1.16.1-4.el8_6.6, gstreamer1-plugins-good-gtk-1.16.1-4.el8_6.6
Show 8 more Red Hat advisories
  • RHSA-2026:72367 Released 2026-09-28 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) gstreamer1-plugins-good-1.10.4-4.el7_9.6, gstreamer1-plugins-good-1.10.4-4.el7_9.6.ppc
  • RHSA-2026:71648 Released 2026-09-24 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) gstreamer1-plugins-good-1.22.12-5.el9_6.6, gstreamer1-plugins-good-gtk-1.22.12-5.el9_6.6
  • RHSA-2026:71647 Released 2026-09-24 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) gstreamer1-plugins-good-1.22.1-4.el9_4.6, gstreamer1-plugins-good-gtk-1.22.1-4.el9_4.6
  • RHSA-2026:71646 Released 2026-09-24 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) gstreamer1-plugins-good-1.18.4-8.el9_2.6, gstreamer1-plugins-good-gtk-1.18.4-8.el9_2.6
  • RHSA-2026:71650 Released 2026-09-24 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) gstreamer1-plugins-good-1.24.11-1.el10_0.7, gstreamer1-plugins-good-gtk-1.24.11-1.el10_0.7
  • RHSA-2026:59972 Released 2026-08-26 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream (v. 10) gstreamer1-plugins-good-1.26.7-2.el10_2.8, gstreamer1-plugins-good-gtk-1.26.7-2.el10_2.8
  • RHSA-2026:59179 Released 2026-08-24 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream (v. 8) gstreamer1-plugins-good-1.16.1-7.el8_10.7, gstreamer1-plugins-good-gtk-1.16.1-7.el8_10.7
  • RHSA-2026:59152 Released 2026-08-24 · Red Hat rating Important
    gstreamer1-plugins-good security update
    • Red Hat Enterprise Linux AppStream (v. 9) gstreamer1-plugins-good-1.22.12-7.el9_8.8, gstreamer1-plugins-good-gtk-1.22.12-7.el9_8.8

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:59972
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:59179
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:59152
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:73424
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:72482
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:73040
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:71646
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:71647
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:71650
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:71648
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:73424
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:72482
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:73040
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:72367
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18299
  2. 2026-10-03 Alias added: GHSA-7xww-j5h2-23gh

References

Patch 1

Advisory 1

  • TI-2025-29786 In GStreamer through 1.26.1, the isomp4 plugin's qtdemux_parse_trak function may read… CVSS 3.1HIGH 8.1
  • TI-2024-31895 GHSL-2024-117: GStreamer has an out-of-bounds write in Ogg demuxer CVSS 4.0HIGH 8.6
  • TI-2024-31893 GHSL-2024-118: GStreamer has a null pointer dereference in gst_gdk_pixbuf_dec_flush CVSS 4.0HIGH 8.6
  • TI-2024-31887 GHSL-2024-116: Stack-buffer overflow in gst_opus_dec_parse_header CVSS 4.0HIGH 8.6
  • TI-2024-31829 GHSL-2024-197: GStreamer uses uninitialized stack memory in Matroska/WebM demuxer CVSS 4.0HIGH 8.6
  • TI-2024-31828 GHSL-2024-195: GStreamer has an OOB-write in convert_to_s334_1a CVSS 4.0HIGH 8.6
See all 109 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences