Incorrect permission assignment in GStreamer
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
GStreamer Incorrect Permission Assignment Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of GStreamer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the product installer. The issue results from incorrect permissions on folders. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of a target user. Was ZDI-CAN-25448.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-2759
- 2026-10-03 Alias added: GHSA-83gq-j832-3543
References
Advisory 1
More Gstreamer vulnerabilities
- 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
Sources
- CVE-2025-2759 · CVE Program
- CVE-2025-2759 · NVD
- FIRST EPSS
- GHSA-83gq-j832-3543 · GitHub Advisory Database · CC BY 4.0
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