Integer overflow in Gnu Glibc
CVE-2021-35942
The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or discl…
Vulnerability class: Integer Overflow
EPSS: 0.027 (84.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Not Applicable)
- cve@mitre.org (Third Party Advisory, Issue Tracking)
- cve@mitre.org (Broken Link)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-35942?
- CVE-2021-35942 is a critical-severity vulnerability in Gnu Glibc, classified under Integer Overflow or Wraparound. CVSS score: 9.1/10. Published 2021-07-22.
- How severe is CVE-2021-35942?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2021-35942 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.