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CVE-2026-88830 is a high-severity vulnerability in Red Hat Hardened Images caused by an incorrect buffer size calculation in BusyBox TLS Montgomery reduction. This flaw leads to a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message. The vulnerability does not impact confidentiality or integrity but can cause denial of service due to application crash or instability.

This vulnerability arises from a unit confusion in the buffer allocation for Montgomery reduction in BusyBox TLS within Red Hat Hardened Images. Specifically, the incorrect calculation of the buffer size leads to a heap buffer overflow during the processing of a specially crafted ClientKeyExchange message. The flaw is exploitable without authentication and requires no user interaction. The CVSS v3.1 base score is 7.5, reflecting a network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, but high impact on availability.

Detailed information about CVE-2026-88830: Incorrect Calculation of Buffer Size in Red Hat Red Hat Hardened Images affecting Red Hat Red Hat Hardened Images. Ge

CVE-2026-88830: Incorrect Calculation of Buffer Size in Red Hat Red Hat Hardened Images - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-88830: Incorrect Calculation of Buffer Size in Red Hat Red Hat Hardened Images

busybox

CVE-2026-88841 is a medium severity vulnerability affecting multiple specific versions of BusyBox distributed in various Ubuntu releases. The exact nature and technical details of the vulnerability are unknown based on the provided data. There is no CVSS score or detailed description available, and no known exploits in the wild have been reported. The affected versions are explicitly listed and correspond to various Ubuntu package versions of BusyBox.

This entry identifies a vulnerability in BusyBox, tracked as CVE-2026-88841, with no detailed description or technical information available. The affected versions are specific Ubuntu package versions of BusyBox ranging from 1:1.20.0-8.1ubuntu1 through 1:1.38.0-3ubuntu4 and related variants. No CVSS score or exploit details are provided, and no vendor advisory or patch information is included in the data.

CVE-2026-88841 is a medium severity vulnerability affecting multiple specific versions of BusyBox distributed in various Ubuntu releases. The exact nature and technical details of the vulnerability are unknown based on the provided data. There is no CVSS score or detailed description available, and 

Busybox: [Unknown description] (CVE-2026-88841)


CVE-2026-88830: Incorrect Calculation of Buffer Size in Red Hat Red Hat Hardened ImagesCVE-2026-88830 0 CVE-2026-88830 is a high-severity vulnerability in Red Hat Hardened Images caused by an incorrect buffer size calculation in BusyBox TLS Montgomery reduction. This flaw leads to a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message. The vulnerability does not impact confidentiality or integrity but can cause denial of service due to application crash or instability. HighVulnerability#cve #cve-2026-88830 #gcve Join the discussion	CVE Database V5	10/02/2026, 00:00:00 UTC Added: 09/23/2026, 17:18:14 UTC
Busybox: [Unknown description] (CVE-2026-88841)CVE-2026-88841 0 CVE-2026-88841 is a medium severity vulnerability affecting multiple specific versions of BusyBox distributed in various Ubuntu releases. The exact nature and technical details of the vulnerability are unknown based on the provided data. There is no CVSS score or detailed description available, and no known exploits in the wild have been reported. The affected versions are explicitly listed and correspond to various Ubuntu package versions of BusyBox. MediumVulnerability#gcve #osv #ubuntu-cve-2026-88841 Join the discussion	GCVE Database	09/29/2026, 00:00:00 UTC Added: 10/17/2026, 22:22:53 UTC

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