CVE-2006-4573

CVE-2006-4573 is a low-severity vulnerability in Gnu Screen with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple unspecified vulnerabilities in the "utf8 combining characters handling" (utf8_handle_comb function in encoding.c) in screen before 4.0.3 allows user-assisted attackers to cause a denial of service (crash or hang) via certain UTF8 sequences.

Frequently asked questions

What is CVE-2006-4573?
Multiple unspecified vulnerabilities in the "utf8 combining characters handling" (utf8_handle_comb function in encoding.c) in screen before 4.0.3 allows user-assisted attackers to cause a denial of service (crash or hang) via certain UTF8 sequences.
How severe is CVE-2006-4573?
CVE-2006-4573 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2006-4573 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4573?
CVE-2006-4573 affects Gnu Screen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4573?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4573 published?
CVE-2006-4573 was published on 2006-10-24 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Gnu Screen

All CVEs affecting Gnu Screen →