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Heap-based Buffer Overflow Affecting tigervnc package, versions <0:1.13.1-14.el8_10

Severity

 Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-ALMALINUX8-TIGERVNC-8382361
  • published 15 Nov 2024
  • disclosed 4 Nov 2024
Report a new vulnerability Found a mistake?

Introduced: 4 Nov 2024

New CVE-2024-9632 Open this link in a new tab
CWE-122 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:8 tigervnc to version 0:1.13.1-14.el8_10 or higher.
This issue was patched in ALSA-2024:9540.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tigervnc package and not the tigervnc package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org server is run with root privileges.

References

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

7.8 high
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Red Hat

7.8 high