DSA-6364-1 chromium - security update

unknownCVE-2026-13021 CVE-2026-13022 CVE-2026-13023 CVE-2026-13024 CVE-2026-13025 CVE-2026-13026

Security issues were discovered in Chromium which could result in the execution of arbitrary code, denial of service, or information disclosure. https://security-tracker.debian.org/tracker/DSA-6364-1

CSIRTS triage

vendor: Chromium product: Chromium Remote code execution Denial of service Information disclosure

What: Security issues in Chromium could allow execution of arbitrary code, denial of service, or information disclosure.
Who is affected: Deployments of Chromium are affected.
Urgency: Remediation is necessary due to the potential for serious security vulnerabilities.
Action: Apply the latest security update for Chromium.

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: 2026-06-25
Exploitation: Not in CISA KEV at last sync

Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00275.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-2026-130210.14% 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-2026-130220.14% 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-2026-130230.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
Low exploitation riskCVE-2026-130240.15% 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-2026-130250.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
Low exploitation riskCVE-2026-130260.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
Low exploitation riskCVE-2026-130270.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
Low exploitation riskCVE-2026-130280.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
Low exploitation riskCVE-2026-130290.15% 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-2026-130300.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-13021	coverage & exploitation status	NVD · CVE.org
CVE-2026-13022	coverage & exploitation status	NVD · CVE.org
CVE-2026-13023	coverage & exploitation status	NVD · CVE.org
CVE-2026-13024	coverage & exploitation status	NVD · CVE.org
CVE-2026-13025	coverage & exploitation status	NVD · CVE.org
CVE-2026-13026	coverage & exploitation status	NVD · CVE.org
CVE-2026-13027	coverage & exploitation status	NVD · CVE.org
CVE-2026-13028	coverage & exploitation status	NVD · CVE.org
CVE-2026-13029	coverage & exploitation status	NVD · CVE.org
CVE-2026-13030	coverage & exploitation status	NVD · CVE.org
CVE-2026-13031	coverage & exploitation status	NVD · CVE.org
CVE-2026-13032	coverage & exploitation status	NVD · CVE.org
CVE-2026-13033	coverage & exploitation status	NVD · CVE.org
CVE-2026-13034	coverage & exploitation status	NVD · CVE.org
CVE-2026-13035	coverage & exploitation status	NVD · CVE.org
CVE-2026-13036	coverage & exploitation status	NVD · CVE.org
CVE-2026-13037	coverage & exploitation status	NVD · CVE.org
CVE-2026-13038	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiple vulnerabilities in Microsoft Edge (June 29, 2026)cert-fr-avis
unknownGoogle Chrome Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in Google Chrome (June 25, 2026)cert-fr-avis
unknownCVE-2026-13034: Chromium: CVE-2026-13034 Inappropriate implementation in Passwordsmsrc
unknownCVE-2026-13033: Chromium: CVE-2026-13033 Out of bounds read in Blink>InterestGroupsmsrc
unknownCVE-2026-13031: Chromium: CVE-2026-13031 Use after free in Blinkmsrc
unknownCVE-2026-13029: Chromium: CVE-2026-13029 Use after free in Web Authenticationmsrc
unknownCVE-2026-13027: Chromium: CVE-2026-13027 Use after free in FileSystemmsrc
unknownCVE-2026-13026: Chromium: CVE-2026-13026 Use after free in Digital Credentialsmsrc
unknownCVE-2026-13025: Chromium: CVE-2026-13025 Insufficient validation of untrusted input in DevToolsmsrc
unknownCVE-2026-13024: Chromium: CVE-2026-13024 Insufficient validation of untrusted input in Navigationmsrc
unknownCVE-2026-13023: Chromium: CVE-2026-13023 Uninitialized Use in GPUmsrc