FKIE_CVE-2026-4424
Vulnerability from fkie_nvd - Published: 2026-03-19 15:16 - Updated: 2026-06-17 10:56
Severity
Summary
A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libarchive | libarchive | - | |
| redhat | hardened_images | - | |
| redhat | openshift_container_platform | 4.0 | |
| redhat | openshift_container_platform | 4.16 | |
| redhat | openshift_container_platform_for_arm64 | 4.16 | |
| redhat | openshift_container_platform_for_power | 4.16 | |
| redhat | enterprise_linux | 6.0 | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| redhat | enterprise_linux | 10.0 | |
| redhat | enterprise_linux_server_aus | 8.2 | |
| redhat | enterprise_linux_server_aus | 8.4 |
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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