Out-of-bounds Read in Uclibc

CVE-2017-9728

In uClibc 0.9.33.2, there is an out-of-bounds read in the get_subexp function in misc/regex/regexec.c when processing a crafted regular expression.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Uclibc — versions 0.9.33.2
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-9728?: CVE-2017-9728 is a critical-severity vulnerability in Uclibc, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-06-16.
How severe is CVE-2017-9728?: Critical severity. CVSS v3 base score is 9.8 out of 10.