Integer overflow in Uclibc-ng
CVE-2021-27419
uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code…
Vulnerability class: Integer Overflow
EPSS: 0.015 (71.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Uclibc-ng — versions unspecified
- Uclibc-ng_project Uclibc-ng
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM, US Government Resource, Third Party Advisory)
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM, Product, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27419?
- CVE-2021-27419 is a high-severity vulnerability in Uclibc-ng, classified under Integer Overflow or Wraparound. CVSS score: 7.3/10. Published 2022-05-03.
- How severe is CVE-2021-27419?
- High severity. CVSS v3 base score is 7.3 out of 10.