CVE-2025-5222
HighPublished
Icu: stack buffer overflow in the srbroot::addtag function
- Published
- May 27, 2025
- Updated
- Oct 8, 2026
- Assigning CNA
- redhat
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.0/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H0.4%
Low · next 30 days
- Percentile
- 35.3%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' struct overflowed at the SRBRoot::addTag function. This issue may lead to memory corruption and local arbitrary code execution.
Sources
- icu-74-debianPatch
Debian build files for icu 74.2 with a patch to fix CVE-2025-5222
Responsible use
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