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 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 three security vulnerabilities in Vim on Red Hat Enterprise Linux 9. CVE-2026-28417 involves arbitrary code execution through OS command injection in the netrw plugin. CVE-2026-28421 allows denial of service and information disclosure via specially crafted swap files. CVE-2026-33412 enables arbitrary code execution through command injection in the glob() function. Red Hat has released updated packages to fix these vulnerabilities as detailed in advisory RHSA-2026:8259.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code on the affected system, cause denial of service, or disclose sensitive information. The vulnerabilities affect the Vim editor, which is commonly used on Red Hat Enterprise Linux 9 systems, potentially impacting system integrity and confidentiality.
Mitigation Recommendations
Red Hat has released security updates for Vim in Red Hat Enterprise Linux 9 to address these vulnerabilities. Users should apply the updates as described in the Red Hat advisory RHSA-2026:8259 and the referenced article https://access.redhat.com/articles/11258. Applying these official patches mitigates the vulnerabilities. No additional mitigation steps are indicated by the vendor.
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 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 three security vulnerabilities in Vim on Red Hat Enterprise Linux 9. CVE-2026-28417 involves arbitrary code execution through OS command injection in the netrw plugin. CVE-2026-28421 allows denial of service and information disclosure via specially crafted swap files. CVE-2026-33412 enables arbitrary code execution through command injection in the glob() function. Red Hat has released updated packages to fix these vulnerabilities as detailed in advisory RHSA-2026:8259.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code on the affected system, cause denial of service, or disclose sensitive information. The vulnerabilities affect the Vim editor, which is commonly used on Red Hat Enterprise Linux 9 systems, potentially impacting system integrity and confidentiality.
Mitigation Recommendations
Red Hat has released security updates for Vim in Red Hat Enterprise Linux 9 to address these vulnerabilities. Users should apply the updates as described in the Red Hat advisory RHSA-2026:8259 and the referenced article https://access.redhat.com/articles/11258. Applying these official patches mitigates the vulnerabilities. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:8259
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-28421","CVE-2026-33412"]
- Cvss Version
- null
Threat ID: 6a1f4e85e29bf47b5007e07a
Added to database: 06/02/2026, 21:43:33 UTC
Last enriched: 07/09/2026, 10:53:30 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 52
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