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Fencer Vulns
high 7.5

CVE-2005-0546 json

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 ima…

published 2005-02-25 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0547

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • cyrus-imapd RHEL 4 2.2.12-3.RHEL4.1
  • perl-Cyrus RHEL 4 2.2.12-3.RHEL4.1
  • cyrus-imapd-nntp RHEL 4 2.2.12-3.RHEL4.1
  • cyrus-imapd-utils RHEL 4 2.2.12-3.RHEL4.1
  • cyrus-imapd-murder RHEL 4 2.2.12-3.RHEL4.1

red hat advisories RHSA-2005:408

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2005-0546 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 perl-Cyrus 2.2.12-3.RHEL4.1, cyrus-imapd 2.2.12-3.RHEL4.1, cyrus-imapd-nntp 2.2.12-3.RHEL4.1, cyrus-imapd-utils 2.2.12-3.RHEL4.1, cyrus-imapd-murder 2.2.12-3.RHEL4.1 Red Hat Enterprise Linux Desktop version 4 perl-Cyrus 2.2.12-3.RHEL4.1, cyrus-imapd 2.2.12-3.RHEL4.1, cyrus-imapd-nntp 2.2.12-3.RHEL4.1, cyrus-imapd-utils 2.2.12-3.RHEL4.1, cyrus-imapd-murder 2.2.12-3.RHEL4.1 Red Hat Enterprise Linux ES version 4 perl-Cyrus 2.2.12-3.RHEL4.1, cyrus-imapd 2.2.12-3.RHEL4.1, cyrus-imapd-nntp 2.2.12-3.RHEL4.1, cyrus-imapd-utils 2.2.12-3.RHEL4.1, cyrus-imapd-murder 2.2.12-3.RHEL4.1 Red Hat Enterprise Linux WS version 4 perl-Cyrus 2.2.12-3.RHEL4.1, cyrus-imapd 2.2.12-3.RHEL4.1, cyrus-imapd-nntp 2.2.12-3.RHEL4.1, cyrus-imapd-utils 2.2.12-3.RHEL4.1, cyrus-imapd-murder 2.2.12-3.RHEL4.1
    fixed: vendor fix RHSA-2005:408

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.24% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.