CVE-2022-26126
HIGHCVSS 7.8/10EPSS 1.07%
Last modified
CVE-2022-26126 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.
Description
Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Frrouting | Frrouting | < 8.2 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
References
- https://github.com/FRRouting/frr/issues/10505Exploit, Issue Tracking, Third Party Advisory
- https://github.com/FRRouting/frr/issues/10505Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-26126?
Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.
How severe is CVE-2022-26126?
CVE-2022-26126 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.
How do I fix CVE-2022-26126?
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-2022-26126?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST