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CVE-2017-15228

23
FAUCET Score

CVE-2017-15228 affects Irssi versions prior to 1.0.5, stemming from a buffer over-read vulnerability when processing themes containing unterminated color formatting sequences. This flaw carries a CVSSv3 score of 7.5 (High), indicating a network-exploitable vulnerability with low attack complexity that could lead to a denial of service. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the potential for impact remains.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.4CPE matchmatch criteria
cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.14%
Probability of exploitation in next 30 days
EPSS Percentile
80.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0214 is in the 65th percentile among its peer group of 51,506 CVEs.

Social Chatter

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 (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: irssi
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: irssi

Vendor Advisories (1)

redhatCVE-2017-15228Moderate

irssi: Out-of-bounds access when installing themes with unterminated colour formatting sequences

Oct 22, 2017

References

openwall.com / lists/oss-security/2017/10/22/4
Mailing ListMitigationPatchThird Party Advisory
irssi.org / security/irssi_sa_2017_10.txt
MitigationPatchVendor Advisory
lists.debian.org / debian-lts-announce/2017/12/msg00022.html
debian.org / security/2017/dsa-4016