CVE-2020-16117
In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection
02 Description
In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.8% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-07-29 17:59Z6 YR AGO
- Last updated
- 2024-08-04 13:37Z2 YR AGO
- Reserved
- 2020-07-29
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 3703d269f75f0340650551f94445f271af15771cf5284a943f53830be19c8a28
05 Affected products
06 References
- gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189
- gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5
- gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7
- lists.debian.org[debian-lts-announce] 20200802 [SECURITY] [DLA 2309-1] evolution-data-server security updatehttps://lists.debian.org/debian-lts-announce/2020/08/msg00005.html
07 Fixed in
AlmaLinux 8
- evolution-data-server-doc Fixed in 3.28.5-15.el8
- evolution-data-server-perl Fixed in 3.28.5-15.el8
- evolution-data-server-tests Fixed in 3.28.5-15.el8
- evolution-devel Fixed in 3.28.5-16.el8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- evolution-data-server-doc Fixed in 3.28.5-15.el8
- evolution-data-server-perl Fixed in 3.28.5-15.el8
- evolution-data-server-tests Fixed in 3.28.5-15.el8
- evolution-devel Fixed in 3.28.5-16.el8
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- evolution-data-server Fixed in 3.36.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- evolution-data-server Fixed in 3.36.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- evolution-data-server Fixed in 3.36.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- evolution-data-server No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- evolution-data-server No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.