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CVE-2020-16094

HIGH
7.5
CVSS Score
Published: July 28, 2020 at 06:34 PM UTC
Updated: June 17, 2026 at 02:57 AM UTC
2 products affected across 2 vendorsFedoraClaws Mail

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

In imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CRKHUOVTJBHT53J4CYU53PXYYQKSGEA/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUBLHUG2UCXVABAGN5FVTD3AB3YKE5NN/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNJIXYDMSXYDII4ERMQ4EEKZX64U3QR4/
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4313

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-674

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