Medium severity · published Jan 12, 2024
CVE-2023-52339
In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing
6.5
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libebml · Matroska
before 1.4.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-52339
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-52339
Release Notes
https://github.com/Matroska-Org/libebml/blob/v1.x/NEWS.md
Release Notes
https://github.com/Matroska-Org/libebml/compare/release-1.4.4...release-1.4.5
Exploit
https://github.com/Matroska-Org/libebml/issues/147
Patch
https://github.com/Matroska-Org/libebml/pull/148
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BJUXVOIRWPP7OFYUKQZDNJTSLWCPIZBH/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNANFT4P6KL4WDQ3TV6QQ44NSC7WKLAB/
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