CVE-2026-15588: Gdbusserver: glib2: gdbusserver pre-authentication dos via unbounded sasl line buffering
CSIRTS triage
- What
- gdbusserver is vulnerable to a denial of service via unbounded SASL line buffering.
- Who is affected
- Deployments using gdbusserver in glib2.
- Urgency
- Medium urgency due to a CVSS score of 5.3 indicating moderate severity.
- Action
- Apply available patches or updates for glib2.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-15588
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-2026-155880.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-15588 | coverage & exploitation status | NVD · CVE.org |
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