CVE-2023-52339

Publication date 12 January 2024

Last updated 10 September 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.

Status

Package Ubuntu Release Status
libebml 26.04 LTS resolute
Not affected
25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.04 LTS jammy
Fixed 1.4.2-2ubuntu0.1~esm1
20.04 LTS focal
Fixed 1.3.10-1ubuntu0.1~esm1
18.04 LTS bionic
Fixed 1.3.5-2ubuntu0.1+esm1
16.04 LTS xenial
Fixed 1.3.3-1ubuntu0.1+esm1
14.04 LTS trusty Ignored end of standard support

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-8746-1
    • libEBML vulnerability
    • 10 September 2026

Other references

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