Vulnerability in GNU Glibc
CVE-2017-15671
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/101517 (vdb-entry)
Frequently asked questions
- What is CVE-2017-15671?
- CVE-2017-15671 is a medium-severity vulnerability in GNU Glibc, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.9/10. Published 2017-10-20.
- How severe is CVE-2017-15671?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2017-15671 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.