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CVE-2018-12422

28
FAUCET Score

CVE-2018-12422 describes a potential buffer overflow vulnerability in Evolution-Data-Server within GNOME Evolution through version 3.29.2. This flaw, located in the addressbook/backends/ldap/e-book-backend-ldap.c file, could be triggered by a long query processed by the strcat function, though the maintainer disputes this claim. With a CVSS score of 9.8 (Critical), the vulnerability has a network attack vector, low attack complexity, and could lead to high impacts on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.29.2CPE matchmatch criteria
cpe:2.3:a:gnome:evolution:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.84%
Probability of exploitation in next 30 days
EPSS Percentile
76.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0184 is in the 65th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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: evolution-data-server
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: evolution-data-server
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: evolution-data-server

Vendor Advisories (1)

redhatCVE-2018-12422Moderate

evolution-data-server: Unsafe use of strcat allows buffer overflow in addressbook/backends/ldap/e-book-backend-ldap.c

May 16, 2018

References

bugzilla.gnome.org / show_bug.cgi
Issue TrackingPatchVendor Advisory
gitlab.gnome.org / GNOME/evolution-data-server/commit/34bad6173
PatchThird Party Advisory