DSA-6458-1 gst-plugins-bad1.0 - security update
Multiple security vulnerabilities were discovered in plugins for the GStreamer media framework and its codecs and demuxers, which may result in denial of service or potentially the execution of arbitrary code if a malformed media file is opened. https://security-tracker.debian.org/tracker/DSA-6458-1
CSIRTS triage
- What
- Multiple security vulnerabilities in GStreamer plugins for codecs and demuxers allow denial of service or arbitrary code execution via malformed media files.
- Who is affected
- Systems using GStreamer for media playback or processing; any application that opens untrusted media files.
- Urgency
- High; arbitrary code execution is possible if a crafted media file is opened.
- Action
- Apply DSA-6458-1 security update for gst-plugins-bad1.0.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00369.html
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-128910.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-128920.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-193870.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-527200.64% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-527220.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-12891 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-12892 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19387 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-52720 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-52722 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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