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Vulnerability record · CVE-2015-8077 · published 3 December 2015

CVE-2015-8077: Cyrus imap vulnerability

Cyrus · Imap

Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the start_octet variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.

7.5 CVSS 2.0 High EPSS 3.3% · top 12.1% CWE-189 · CWE-189
7.5CVSS 2.0 base score
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the start_octet variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00015.html
http://www.openwall.com/lists/oss-security/2015/09/30/3
http://www.openwall.com/lists/oss-security/2015/11/04/3
http://www.securitytracker.com/id/1034282
https://cyrus.foundation/cyrus-imapd/commit/?id=745e161c834f1eb6d62fc14477f51dae799e1e08
https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html Vendor Advisory
https://lists.andrew.cmu.edu/pipermail/cyrus-devel/2015-October/003534.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00015.html
http://www.openwall.com/lists/oss-security/2015/09/30/3
http://www.openwall.com/lists/oss-security/2015/11/04/3
http://www.securitytracker.com/id/1034282
https://cyrus.foundation/cyrus-imapd/commit/?id=745e161c834f1eb6d62fc14477f51dae799e1e08
https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html Vendor Advisory
https://lists.andrew.cmu.edu/pipermail/cyrus-devel/2015-October/003534.html

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Source: NIST National Vulnerability Database (record CVE-2015-8077), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.