2 lines
14 KiB
JSON
2 lines
14 KiB
JSON
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flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition."},{"lang":"es","value":"Se encontró un defecto en libarchive. Existe una vulnerabilidad de comportamiento indefinido en la lógica de descompresión de zisofs, causada por una validación incorrecta de un campo ('pz_log2_bs') leído de las extensiones Rock Ridge de ISO9660. Un atacante remoto puede explotar esto al proporcionar un archivo ISO especialmente diseñado. Esto puede llevar a una asignación de memoria incorrecta y posibles caídas de la aplicación, lo que resulta en una condición de denegación de servicio (DoS)."}],"id":"CVE-2026-4426","lastModified":"2026-11-06T08:17:26.870","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"secalert@redhat.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-4426","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-03-20T15:19:10.267574Z","version":"2.0.3"}}]},"published":"2026-03-19T15:16:28.510","references":[{"source":"secalert@redhat.com","url":"https://access.redhat.com/errata/RHSA-2026:8944"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2026-4426"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2449010"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Patch"],"url":"https://github.com/libarchive/libarchive/pull/2897"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-1335"}],"source":"secalert@redhat.com","type":"Secondary"}]}
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