CVE-2021-37746
MEDIUM
6.1
CVSS Score
Published: July 30, 2021 at 01:17 PM UTC
Updated: June 17, 2026 at 04:01 AM UTC
3 products affected across 3 vendorsFedoraClaws MailSylpheed
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
Description
textview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 3.18.0
Affected range stops below 3.18.0, so it looks safe — our inference, not a vendor statement
v ≤ 3.7.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://claws-mail.org/download.php?file=releases/claws-mail-3.18.0.tar.xz
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2QNUIWASJLPUZZKWICGCEGYJZCQE7NH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCJXHUSYHGVBSH2ULD7HNXLM7QNRECZ6/
- https://sylpheed.sraoss.jp/sylpheed/v3.7/sylpheed-3.7.0.tar.xz
References (5)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://claws-mail.org/download.php?file=releases/claws-mail-3.18.0.tar.xzVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2QNUIWASJLPUZZKWICGCEGYJZCQE7NH/Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCJXHUSYHGVBSH2ULD7HNXLM7QNRECZ6/x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://sylpheed.sraoss.jp/sylpheed/v3.7/sylpheed-3.7.0.tar.xzCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-601
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