CVE-2021-33642
MEDIUMCVSS 5.5/10EPSS 0.22%
Last modified
CVE-2021-33642 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openeuler | Byacc | < 1.9.20200330 |
| Openeuler | Byacc | >= 2.0, < 2.0.20210808 |
References
- https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4dPermissions Required, Third Party Advisory
- https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4dPermissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33642?
When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.
How severe is CVE-2021-33642?
CVE-2021-33642 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33642?
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-2021-33642?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST