CVE-2026-4424
A remote, anonymous attacker can exploit multiple vulnerabilities in libarchive to disclose information and to create a Denial-of-Service condition.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit multiple vulnerabilities in libarchive to disclose information and to create a Denial-of-Service condition.
- Who is affected
- Deployments of libarchive are affected by these vulnerabilities.
- Urgency
- Remediation is urgent due to the potential for information disclosure and Denial-of-Service.
- Action
- Update libarchive to the latest version to address these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.88% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
Advisory coverage (10)
- unknownNCSC-2026-0319 [1.00] [M/H] Vulnerabilities resolved in Apple iOS and iPadOSncsc-nl · 2026-08-20
- unknownApple Products Multiple Vulnerabilitieshkcert · 2026-08-18
- unknownMultiple vulnerabilities in Apple products (August 18, 2026)cert-fr-avis · 2026-08-18
- medium[UPDATE] [medium] libarchive: Multiple vulnerabilities allow information disclosure and DoScert-bund · 2026-08-11
- high[UPDATE] [high] IBM QRadar SIEM: Multiple vulnerabilitiescert-bund · 2026-07-29
- medium[NEW] [medium] Apple iOS and iPadOS: Multiple vulnerabilitiescert-bund · 2026-07-28
- unknownNCSC-2026-0267 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl · 2026-07-28
- unknownNCSC-2026-0266 [1.00] [M/H] Vulnerabilities fixed in Apple iOS and iPadOSncsc-nl · 2026-07-28
- high[NEW] [high] Oracle Communications: Multiple vulnerabilitiescert-bund · 2026-07-28
- unknownApple Products Multiple Vulnerabilitieshkcert · 2026-07-28
External references
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[](https://www.csirts.com/cve/CVE-2026-4424)