CVE-2005-0546

CVE-2005-0546 is a high-severity vulnerability in Cyrus Imapd with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple buffer overflows in Cyrus IMAPd before 2.2.11 may allow attackers to execute arbitrary code via (1) an off-by-one error in the imapd annotate extension, (2) an off-by-one error in "cached header handling," (3) a stack-based buffer overflow in fetchnews, or (4) a stack-based buffer overflow in imapd.

Frequently asked questions

What is CVE-2005-0546?
Multiple buffer overflows in Cyrus IMAPd before 2.2.11 may allow attackers to execute arbitrary code via (1) an off-by-one error in the imapd annotate extension, (2) an off-by-one error in "cached header handling," (3) a stack-based buffer overflow in fetchnews, or (4) a stack-based buffer overflow in imapd.
How severe is CVE-2005-0546?
CVE-2005-0546 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0546 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0546?
CVE-2005-0546 primarily affects Cyrus Imapd. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0546?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-0546 published?
CVE-2005-0546 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (5)

More vulnerabilities in Cyrus Imapd

All CVEs affecting Cyrus Imapd →