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CVE-2015-8076

20
FAUCET Score

CVE-2015-8076 describes an out-of-bounds heap read vulnerability in the index_urlfetch function of Cyrus IMAP versions 2.3.x, 2.4.x, and 2.5.x. This flaw allows remote attackers to obtain sensitive information or potentially cause other unspecified impacts. With a CVSS score of 7.5, it is considered highly severe, requiring no authentication and low attack complexity for potential partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
2.3.0CPE matchmatch criteria
cpe:2.3:a:cyrus:imap:2.3.0:*:*:*:*:*:*:*
2.3.1CPE matchmatch criteria
cpe:2.3:a:cyrus:imap:2.3.1:*:*:*:*:*:*:*
2.3.2CPE matchmatch criteria
cpe:2.3:a:cyrus:imap:2.3.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.26%
Probability of exploitation in next 30 days
EPSS Percentile
87.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0326 is in the 77th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: cyrus-imapd
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: cyrus-imapd
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: cyrus-imapd

Vendor Advisories (1)

redhatCVE-2015-8076Low

cyrus-imapd: Out of bounds heap read in index_urlfetch

Jun 18, 2015

References

lists.opensuse.org / opensuse-security-announce/2016-05/msg00066.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00000.html
lists.opensuse.org / opensuse-updates/2015-09/msg00037.html
lists.opensuse.org / opensuse-updates/2015-09/msg00038.html
cyrus.foundation / cyrus-imapd/commit
cyrus.foundation / cyrus-imapd/commit
Vendor Advisory
docs.cyrus.foundation / imap/release-notes/2.3/x/2.3.19.html
docs.cyrus.foundation / imap/release-notes/2.4/x/2.4.18.html
Vendor Advisory
docs.cyrus.foundation / imap/release-notes/2.5/x/2.5.4.html
Vendor Advisory
openwall.com / lists/oss-security/2015/09/29/2
openwall.com / lists/oss-security/2015/09/30/3
openwall.com / lists/oss-security/2015/11/04/3