NULL pointer dereference in Libxls_project Libxls
CVE-2021-27836
An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.
EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Libxls_project Libxls — versions 1.6.2
- Fedoraproject Fedora — versions 33, 34, 35
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2021-27836?
- CVE-2021-27836 is a medium-severity vulnerability in Libxls_project Libxls, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2021-11-03.
- How severe is CVE-2021-27836?
- Medium severity. CVSS v3 base score is 6.5 out of 10.