DSA-6370-1 incus - security update

unknownCVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261

Several vulnerabilities were discovered in the Xorg X server, which may result in privilege escalation if the X server is running privileged. https://security-tracker.debian.org/tracker/DSA-6370-1

CSIRTS triage

vendor: Xorg product: Xorg Privilege escalation

What: Several vulnerabilities in the Xorg X server may lead to privilege escalation.
Who is affected: Deployments of the Xorg X server are affected.
Urgency: Remediation is important due to the risk of privilege escalation.
Action: Apply the latest security update for Xorg.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Debian Security Advisories (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-06-26
Exploitation: Not in CISA KEV at last sync

Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00282.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-2026-502560.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.
Low exploitation riskCVE-2026-502570.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Low exploitation riskCVE-2026-502580.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.
Low exploitation riskCVE-2026-502590.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.
Low exploitation riskCVE-2026-502600.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.
Low exploitation riskCVE-2026-502610.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Low exploitation riskCVE-2026-502620.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Low exploitation riskCVE-2026-502630.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Low exploitation riskCVE-2026-502640.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50256	coverage & exploitation status	NVD · CVE.org
CVE-2026-50257	coverage & exploitation status	NVD · CVE.org
CVE-2026-50258	coverage & exploitation status	NVD · CVE.org
CVE-2026-50259	coverage & exploitation status	NVD · CVE.org
CVE-2026-50260	coverage & exploitation status	NVD · CVE.org
CVE-2026-50261	coverage & exploitation status	NVD · CVE.org
CVE-2026-50262	coverage & exploitation status	NVD · CVE.org
CVE-2026-50263	coverage & exploitation status	NVD · CVE.org
CVE-2026-50264	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.