CVE-2020-16117
MEDIUM
5.9
CVSS Score
Published: July 29, 2020 at 05:59 PM UTC
Updated: June 17, 2026 at 02:57 AM UTC
2 products affected across 2 vendorsDebian LinuxEvolution Data Server
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Severity
MEDIUM5.9
Exploit prediction
EPSS 2%
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 attempt. This is related to imapx_free_capability and imapx_connect_to_server.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 3.35.91
Affected range stops below 3.35.91, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7x_refsource_MISCExploitVendor Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/08/msg00005.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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