CVE-2023-52389: UTF32Encoding.cpp in POCO has a Poco::UTF32Encoding integer overflow and resultant stack buffer overflow because Poco::UTF32Encoding::convert() and…

PriorityP350critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

0.85%

54.6th percentile

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	poco	< poco 1.11.0-3+deb12u1 (bookworm)	poco 1.11.0-3+deb12u1 (bookworm)
pocoproject	poco	< 1.11.8	1.11.8
pocoproject	poco	—	—
pocoproject	poco	—	—
pocoproject	poco	>= 0 < 1.10.0-6+deb11u2	1.10.0-6+deb11u2
pocoproject	poco	>= 0 < 1.11.0-3+deb12u1	1.11.0-3+deb12u1
pocoproject	poco	>= 0 < 1.13.0-6	1.13.0-6
pocoproject	poco	>= 0 < 1.13.0-6	1.13.0-6
pocoproject	poco	>= 1.12.0 < 1.12.5	1.12.5

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

osv9.8CRITICAL

vendor_debian9.8CRITICAL

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