Advisory Published

CVE-2023-48236: overflow in get_number in vim

First published: Thu Nov 16 2023(Updated: )

Vim is an open source command line text editor. When using the z= command, the user may overflow the count with values larger than MAX_INT. Impact is low, user interaction is required and a crash may not even happen in all situations. This vulnerability has been addressed in commit `73b2d379` which has been included in release version 9.0.2111. Users are advised to upgrade. There are no known workarounds for this vulnerability.


Affected SoftwareAffected VersionHow to fix
Vim Vim<9.0.2111
Fedoraproject Fedora=39

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Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2023-48236.

  • What is the severity of CVE-2023-48236?

    The severity of CVE-2023-48236 is medium with a score of 4.3.

  • What is the affected software for CVE-2023-48236?

    The affected software are Vim (version up to 9.0.2111) and Fedoraproject Fedora (version 39).

  • How can the overflow in get_number in Vim be exploited?

    The overflow in get_number in Vim can be exploited by using the z= command with values larger than MAX_INT.

  • How was the vulnerability CVE-2023-48236 addressed?

    The vulnerability CVE-2023-48236 was addressed in commit `73b2d379`.


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