CVE-2021-27836
MEDIUMCVSS 6.5/10EPSS 1.12%
Last modified
CVE-2021-27836 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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 estimates a 1.12% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libxls Project | Libxls | 1.6.2 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
References
- https://github.com/libxls/libxls/issues/94Patch, Third Party Advisory
- https://github.com/libxls/libxls/issues/94Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-27836?
CVE-2021-27836 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27836?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-27836?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST