CVE-2023-52389
poco - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.13%
Description
UTF32Encoding.cpp in POCO has a Poco::UTF32Encoding integer overflow and resultant stack buffer overflow because Poco::UTF32Encoding::convert() and Poco::UTF32::queryConvert() may return a negative integer if a UTF-32 byte sequence evaluates to a value of 0x80000000 or higher. This is fixed in 1.11.8p2, 1.12.5p2, and 1.13.0.
How to fix CVE-2023-52389
To remediate CVE-2023-52389, upgrade the affected package to a fixed version below.
- —upgrade to 1.10.0-6+deb11u2 or later
- —upgrade to 1.10.0-6+deb11u2 or later
Is CVE-2023-52389 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.10.0-6+deb11u2
- from 0, < 1.10.0-6+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |