CVE-2018-12422
** DISPUTED ** addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME...
CVE-2018-12422 is a critical vulnerability (CVSS 9.8) in Gnome Evolution, published June 15, 2018. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. Fixed in evolution-data-server 3.28.5-1.
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
- Record
CVE-2018-12422- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
- Record
CVE-2018-12422- Updated
- 2026-11-02
EUVDEUVD-2018-4395 No score
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
- Record
EUVD-2018-4395- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rqw6-r9qq-6v6g
** DISPUTED ** addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME...
** DISPUTED ** addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap."
- Record
GHSA-rqw6-r9qq-6v6g- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
- Record
CVE-2018-12422- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-12422
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
- Record
DEBIAN-CVE-2018-12422- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-12422
addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME Evolution through 3.29.2 might allow attackers to trigger a Buffer Overflow via a long query that is processed by the strcat function. NOTE: the software maintainer disputes this because "the code had computed the required string length first, and then allocated a large-enough buffer on the heap.
- Record
UBUNTU-CVE-2018-12422- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
evolution-data-serverDebian:12 |
before 3.28.5-1 | 3.28.5-1 |
evolution-data-serverDebian:13 |
before 3.28.5-1 | 3.28.5-1 |
evolution-data-serverDebian:14 |
before 3.28.5-1 | 3.28.5-1 |
evolution-data-serverUbuntu:16.04:LTS |
All versions, plus listed versions 3.16.5-1ubuntu33.18.1-1ubuntu13.18.2-0ubuntu13.18.2-0ubuntu23.18.3-1ubuntu1 Show 6 moreShow less3.18.3-1ubuntu23.18.4-0ubuntu13.18.5-1ubuntu13.18.5-1ubuntu1.13.18.5-1ubuntu1.23.18.5-1ubuntu1.3 |
None known |
evolutionUbuntu:16.04:LTS |
All versions, plus listed versions 3.16.5-1ubuntu33.18.1-1ubuntu23.18.2-0ubuntu13.18.2-0ubuntu23.18.3-0ubuntu1 Show 8 moreShow less3.18.3-1ubuntu13.18.4-0ubuntu13.18.5-1ubuntu13.18.5.1-1ubuntu13.18.5.2-0ubuntu13.18.5.2-0ubuntu33.18.5.2-0ubuntu3.13.18.5.2-0ubuntu3.2 |
None known |
evolution-data-serverUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.26.1-1ubuntu13.26.2-1ubuntu13.26.2.1-1ubuntu13.26.2.1-1ubuntu33.26.3-1ubuntu1 Show 11 moreShow less3.26.5-1ubuntu33.27.90-1ubuntu13.28.0-1ubuntu13.28.0-2ubuntu13.28.0-2ubuntu23.28.1-1ubuntu13.28.3-0ubuntu0.18.04.13.28.5-0ubuntu0.18.04.13.28.5-0ubuntu0.18.04.23.28.5-0ubuntu0.18.04.33.28.5-0ubuntu0.18.04.3+esm1 |
None known |
evolutionUbuntu:18.04:LTS |
All versions, plus listed versions 3.26.1-13.26.2-13.26.2-1ubuntu13.26.3-13.26.5-1 Show 8 moreShow less3.26.5-1build13.27.90-13.28.0-13.28.0-43.28.1-13.28.1-23.28.5-0ubuntu0.18.04.13.28.5-0ubuntu0.18.04.2 |
None known |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
bugzilla.gnome.org/show_bug.cgi?id=796174
gitlab.gnome.org/GNOME/evolution-data-server/commit/34bad6173
nvd.nist.gov/vuln/detail/CVE-2018-12422
github.com/advisories/GHSA-rqw6-r9qq-6v6g
security-tracker.debian.org/tracker/CVE-2018-12422
ubuntu.com/security/CVE-2018-12422
cve.org/CVERecord?id=CVE-2018-12422