RHSA-2026:30267
Vulnerability from csaf_redhat - Published: 2026-06-26 09:46 - Updated: 2026-07-01 19:41Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
vim:
* vim-X11-9.2.725-1.hum1 (aarch64, x86_64)
* vim-common-9.2.725-1.hum1 (aarch64, x86_64)
* vim-data-9.2.725-1.hum1 (noarch)
* vim-default-editor-9.2.725-1.hum1 (noarch)
* vim-enhanced-9.2.725-1.hum1 (aarch64, x86_64)
* vim-filesystem-9.2.725-1.hum1 (noarch)
* vim-minimal-9.2.725-1.hum1 (aarch64, x86_64)
* xxd-9.2.725-1.hum1 (aarch64, x86_64)
* vim-9.2.725-1.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in Vim, an open source command-line text editor. When opening a specially crafted encrypted file using the VimCrypt~04! or VimCrypt~05! methods, an attacker could trigger an unsigned length calculation error. This issue leads to an out-of-bounds read, causing Vim to crash and resulting in a denial of service.
4.7 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:vim-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:vim-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:vim-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:vim-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A memory corruption flaw in Vim allows an attacker to cause a Denial of Service (DoS). When a SOFO-based spell language is active, providing an excessively long word to the spell checker triggers a stack out-of-bounds write in the spell_soundfold_sofo() function, causing the editor to crash.
4.7 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:vim-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:vim-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:vim-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:vim-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
References
21 references
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"cwe": {
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"name": "Out-of-bounds Read"
},
"discovery_date": "2026-06-25T16:02:14.943134+00:00",
"ids": [
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"text": "2492979"
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],
"notes": [
{
"category": "description",
"text": "A flaw was found in Vim, an open source command-line text editor. When opening a specially crafted encrypted file using the VimCrypt~04! or VimCrypt~05! methods, an attacker could trigger an unsigned length calculation error. This issue leads to an out-of-bounds read, causing Vim to crash and resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "vim: Vim: Out-of-bounds Read with libsodium-encrypted Files",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Moderate impact vulnerability in Vim arises from an out-of-bounds read when processing a specially crafted libsodium-encrypted file. If a user opens a malicious file encrypted with VimCrypt~04! or VimCrypt~05! and the file body is shorter than a single libsodium secretstream header, Vim may crash. This issue requires user interaction to open a malformed file and the +sodium feature to be enabled, limiting its exploitability in typical Red Hat environments.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
]
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57452"
},
{
"category": "external",
"summary": "https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f",
"url": "https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f"
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"url": "https://github.com/vim/vim/releases/tag/v9.2.0671"
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{
"category": "external",
"summary": "https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486",
"url": "https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486"
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"date": "2026-06-26T09:46:19+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
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"restart_required": {
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{
"category": "workaround",
"details": "Ensure the spell checker is turned off by running :set nospell within Vim. Do not open untrusted or suspicious files\u2014particularly those encrypted with libsodium methods (VimCrypt~04! or VimCrypt~05!)\u2014within the Vim editor. This prevents the execution of the vulnerable decryption routine",
"product_ids": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "vim: Vim: Out-of-bounds Read with libsodium-encrypted Files"
},
{
"cve": "CVE-2026-57455",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2026-06-25T16:01:18.343208+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2492968"
}
],
"notes": [
{
"category": "description",
"text": "A memory corruption flaw in Vim allows an attacker to cause a Denial of Service (DoS). When a SOFO-based spell language is active, providing an excessively long word to the spell checker triggers a stack out-of-bounds write in the spell_soundfold_sofo() function, causing the editor to crash.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Moderate impact flaw in Vim, a command-line text editor, is due to a stack out-of-bounds write in the spell checker. Exploitation requires a user to open a specially crafted file or encounter a long word via spell suggestion while a SOFO-based spell language is active, leading to a Denial of Service. This is not a default configuration in most Red Hat environments, limiting the attack surface.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
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"url": "https://access.redhat.com/security/cve/CVE-2026-57455"
},
{
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"summary": "RHBZ#2492968",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492968"
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"summary": "https://www.cve.org/CVERecord?id=CVE-2026-57455",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-57455"
},
{
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"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-57455",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57455"
},
{
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"summary": "https://github.com/vim/vim/commit/497f931f85339d175d7f69588dd249e8ccfed41b",
"url": "https://github.com/vim/vim/commit/497f931f85339d175d7f69588dd249e8ccfed41b"
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{
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"summary": "https://github.com/vim/vim/releases/tag/v9.2.0698",
"url": "https://github.com/vim/vim/releases/tag/v9.2.0698"
},
{
"category": "external",
"summary": "https://github.com/vim/vim/security/advisories/GHSA-q8mh-6qm3-25g4",
"url": "https://github.com/vim/vim/security/advisories/GHSA-q8mh-6qm3-25g4"
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],
"release_date": "2026-06-25T15:22:37.949000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-26T09:46:19+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:30267"
},
{
"category": "workaround",
"details": "To mitigate this issue disable spell checking or avoid using SOFO-based spell files. This can be achieved globally by adding set nospell to your ~/.vimrc configuration file. Ensure your systems utilize standard UTF-8 encoding. This flaw is strictly confined to legacy 8-bit encodings and cannot be triggered under default Red Hat configurations.",
"product_ids": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:vim-main@aarch64",
"Red Hat Hardened Images:vim-main@noarch",
"Red Hat Hardened Images:vim-main@src",
"Red Hat Hardened Images:vim-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo()"
}
]
}
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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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