Vulnerability-Lookup

alsa-2026:48703

Vulnerability from osv_almalinux

Published

2026-07-30 00:00

Modified

2026-07-30 13:16

Summary

Important: vim security update

Details

Vim (Vi IMproved) is an updated and improved version of the vi editor.

Security Fix(es):

vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo() (CVE-2026-57455)
vim: Vim: Arbitrary code execution via malicious docstrings in Python omni-completion (CVE-2026-57456)
vim: Vim: Out-of-bounds Write in Spell File Word Count (CVE-2026-55693)
vim: Vim: Arbitrary command execution via crafted tags file in C omni-completion (CVE-2026-59858)

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.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2026:48703	ADVISORY
	https://access.redhat.com/security/cve/CVE-2026-55693	REPORT
	https://access.redhat.com/security/cve/CVE-2026-57455	REPORT
	https://access.redhat.com/security/cve/CVE-2026-57456	REPORT
	https://access.redhat.com/security/cve/CVE-2026-59858	REPORT
	https://bugzilla.redhat.com/2492968	REPORT
	https://bugzilla.redhat.com/2492972	REPORT
	https://bugzilla.redhat.com/2492980	REPORT
	https://bugzilla.redhat.com/2498868	REPORT
	https://errata.almalinux.org/8/ALSA-2026-48703.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "vim-X11"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.0.1763-31.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "vim-common"
      },
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            },
            {
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        }
      ]
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    {
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        "ecosystem": "AlmaLinux:8",
        "name": "vim-enhanced"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
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              "fixed": "2:8.0.1763-31.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "vim-filesystem"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.0.1763-31.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
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      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "vim-minimal"
      },
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            },
            {
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          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Vim (Vi IMproved) is an updated and improved version of the vi editor.  \n\nSecurity Fix(es):  \n\n  * vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo() (CVE-2026-57455)\n  * vim: Vim: Arbitrary code execution via malicious docstrings in Python omni-completion (CVE-2026-57456)\n  * vim: Vim: Out-of-bounds Write in Spell File Word Count (CVE-2026-55693)\n  * vim: Vim: Arbitrary command execution via crafted tags file in C omni-completion (CVE-2026-59858)\n\n\nFor 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.\n",
  "id": "ALSA-2026:48703",
  "modified": "2026-07-30T13:16:14Z",
  "published": "2026-07-30T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:48703"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-55693"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-57455"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-57456"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-59858"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2492968"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2492972"
    },
    {
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      "url": "https://bugzilla.redhat.com/2492980"
    },
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      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2498868"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-48703.html"
    }
  ],
  "related": [
    "CVE-2026-57455",
    "CVE-2026-57456",
    "CVE-2026-55693",
    "CVE-2026-59858"
  ],
  "summary": "Important: vim security update"
}

CVE-2026-55693 (GCVE-0-2026-55693)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:34 – Updated: 2026-06-26 14:03

Title

Vim: Out-of-bounds Write in Spell File Word Count

Summary

Vim is an open source, command line text editor. Prior to 9.2.0653, the tree_count_words() function in src/spellfile.c fills in the word-count fields of a spell-file word trie by walking it iteratively with a depth counter. The counter is bounded only by the trie structure itself; it is never checked against the size of the fixed MAXWLEN-element stack arrays it indexes (arridx[], curi[], wordcount[]). A crafted .spl/.sug file pair, loaded when the user invokes spell suggestion, can drive the descent arbitrarily deep, so the function writes past the end of those arrays. This is a stack out-of-bounds write that corrupts the call frame and crashes the editor. This vulnerability is fixed in 9.2.0653.

Severity

5.7 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-787 - Out-of-bounds Write

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/a80874d9b84a010…	x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0653	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0653

Show details on NVD website

JSON

To clipboard

{
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          ],
          "url": "https://github.com/vim/vim/security/advisories/GHSA-wgh4-64f7-q3jq"
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}

CVE-2026-57455 (GCVE-0-2026-57455)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:22 – Updated: 2026-06-25 23:30

Title

Vim: Stack out-of-bounds write in `spell_soundfold_sofo()` via an over-length `soundfold()` argument

Summary

Vim is an open source, command line text editor. Prior to 9.2.0698, the single-byte branch of spell_soundfold_sofo() in src/spell.c translates a word through a spell file's SOFO (sound-folding) byte map into a caller-owned result buffer. Its copy loop advances the output index ri with no upper bound and terminates only on the input NUL, writing one byte per input byte into the MAXWLEN-element stack buffer the caller provides. A word longer than MAXWLEN, passed to soundfold() (or reached via sound-based spell suggestion) while a SOFO-based spell language is active, therefore writes past the end of that buffer. This is a stack out-of-bounds write that corrupts the call frame and crashes the editor. This vulnerability is fixed in 9.2.0698.

Severity

4 (Medium)


                        
                          CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-787 - Out-of-bounds Write

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/497f931f85339d1…	x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0698	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0698

Show details on NVD website

JSON

To clipboard

{
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CVE-2026-57456 (GCVE-0-2026-57456)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:16 – Updated: 2026-06-26 03:55

Title

Vim: Arbitrary Code Execution via Python Omni-Completion Docstrings

Summary

Vim is an open source, command line text editor. Prior to 9.2.0699, Vim's Python omni-completion (runtime/autoload/python3complete.vim and the legacy pythoncomplete.vim) executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. When reconstructing that source, each scope's docstring is inserted verbatim between triple quotes with no escaping, so a hostile buffer can break out of the triple-quoted literal and execute attacker-controlled Python during omni-completion. This vulnerability is fixed in 9.2.0699.

Severity

8.4 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/cce141c42740f12…	x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0699	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0699

Show details on NVD website

JSON

To clipboard

{
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        },
        {
          "name": "https://github.com/vim/vim/commit/cce141c42740f122dd8486ae04e21c2a81016ba8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vim/vim/commit/cce141c42740f122dd8486ae04e21c2a81016ba8"
        },
        {
          "name": "https://github.com/vim/vim/releases/tag/v9.2.0699",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vim/vim/releases/tag/v9.2.0699"
        }
      ],
      "source": {
        "advisory": "GHSA-ppj8-wqjf-6fp3",
        "discovery": "UNKNOWN"
      },
      "title": "Vim: Arbitrary Code Execution via Python Omni-Completion Docstrings"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-57456",
    "datePublished": "2026-06-25T15:16:16.015Z",
    "dateReserved": "2026-06-24T13:21:20.731Z",
    "dateUpdated": "2026-06-26T03:55:53.888Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-59858 (GCVE-0-2026-59858)

Vulnerability from cvelistv5 – Published: 2026-07-09 22:37 – Updated: 2026-07-14 03:55

Title

Vim: Arbitrary Code Execution via C Omni-Completion

Summary

Vim is an open source, command line text editor. Prior to 9.2.0735, the C omni-completion script in runtime/autoload/ccomplete.vim interpolates the typeref: or typename: extension field of a tags entry, without escaping, into a :vimgrep pattern that is run through :execute. Because :vimgrep honors the bar as a command separator, a crafted tag field can close the search pattern and append an arbitrary Ex command; opening a hostile .c file whose project tags file contains such an entry and invoking C omni-completion runs that command as the editing user. This issue is fixed in version 9.2.0735.

Severity

8.4 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/6b611b0d15603c5…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0735

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59858",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-13T00:00:00+00:00",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-07-14T03:55:38.697Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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          "vendor": "vim",
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        {
          "lang": "en",
          "value": "Vim is an open source, command line text editor. Prior to 9.2.0735, the C omni-completion script in runtime/autoload/ccomplete.vim interpolates the typeref: or typename: extension field of a tags entry, without escaping, into a :vimgrep pattern that is run through :execute. Because :vimgrep honors the bar as a command separator, a crafted tag field can close the search pattern and append an arbitrary Ex command; opening a hostile .c file whose project tags file contains such an entry and invoking C omni-completion runs that command as the editing user. This issue is fixed in version 9.2.0735."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

alsa-2026:48703

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CVE-2026-55693 (GCVE-0-2026-55693)

CVE-2026-57455 (GCVE-0-2026-57455)

CVE-2026-57456 (GCVE-0-2026-57456)

CVE-2026-59858 (GCVE-0-2026-59858)

Tags

Sightings

Nomenclature