Red Hat Security Advisory: vim security update
Vim (Vi IMproved) is an updated and improved version of the vi editor. Security Fix(es): * vim: Vim: Arbitrary code execution via 'helpfile' option processing (CVE-2026-25749) * vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin (CVE-2026-28417) * vim: Vim: Denial of service and information disclosure via crafted swap file (CVE-2026-28421) * vim: Vim: Arbitrary code execution via command injection in glob() function (CVE-2026-33412) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers four distinct vulnerabilities in Vim: CVE-2026-25749 allows arbitrary code execution through the 'helpfile' option processing; CVE-2026-28417 enables arbitrary code execution via OS command injection in the netrw plugin; CVE-2026-28421 causes denial of service and information disclosure through crafted swap files; and CVE-2026-33412 permits arbitrary code execution via command injection in the glob() function. These vulnerabilities affect Red Hat Enterprise Linux 9.6 Extended Update Support and related architectures including x86_64, s390x, ppc64le, and aarch64. Red Hat has released updated Vim packages to remediate these issues as detailed in advisory RHSA-2026:6539.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code on the affected system, potentially leading to full system compromise. The denial of service and information disclosure vulnerability could disrupt service availability and leak sensitive information. The overall security impact is rated as Important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Vim packages addressing these vulnerabilities. Users should apply the security update for Vim as provided in Red Hat Enterprise Linux 9.6 Extended Update Support and related variants. Refer to Red Hat advisory RHSA-2026:6539 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps. No additional mitigations are specified beyond applying the official update.
Red Hat Security Advisory: vim security update
Description
Vim (Vi IMproved) is an updated and improved version of the vi editor. Security Fix(es): * vim: Vim: Arbitrary code execution via 'helpfile' option processing (CVE-2026-25749) * vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin (CVE-2026-28417) * vim: Vim: Denial of service and information disclosure via crafted swap file (CVE-2026-28421) * vim: Vim: Arbitrary code execution via command injection in glob() function (CVE-2026-33412) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers four distinct vulnerabilities in Vim: CVE-2026-25749 allows arbitrary code execution through the 'helpfile' option processing; CVE-2026-28417 enables arbitrary code execution via OS command injection in the netrw plugin; CVE-2026-28421 causes denial of service and information disclosure through crafted swap files; and CVE-2026-33412 permits arbitrary code execution via command injection in the glob() function. These vulnerabilities affect Red Hat Enterprise Linux 9.6 Extended Update Support and related architectures including x86_64, s390x, ppc64le, and aarch64. Red Hat has released updated Vim packages to remediate these issues as detailed in advisory RHSA-2026:6539.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code on the affected system, potentially leading to full system compromise. The denial of service and information disclosure vulnerability could disrupt service availability and leak sensitive information. The overall security impact is rated as Important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Vim packages addressing these vulnerabilities. Users should apply the security update for Vim as provided in Red Hat Enterprise Linux 9.6 Extended Update Support and related variants. Refer to Red Hat advisory RHSA-2026:6539 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps. No additional mitigations are specified beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:6539
- Cve Count
- 4
- Additional Cves
- ["CVE-2026-28417","CVE-2026-28421","CVE-2026-33412"]
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007e4dd
Added to database: 06/02/2026, 21:43:34 UTC
Last enriched: 07/08/2026, 15:00:17 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 70
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