CVE-2019-3823 (GCVE-0-2019-3823)

Vulnerability from cvelistv5 – Published: 2019-02-06 20:00 – Updated: 2026-04-15 20:52
VLAI
Summary
libcurl versions from 7.34.0 to before 7.64.0 are vulnerable to a heap out-of-bounds read in the code handling the end-of-response for SMTP. If the buffer passed to `smtp_endofresp()` isn't NUL terminated and contains no character ending the parsed number, and `len` is set to 5, then the `strtol()` call reads beyond the allocated buffer. The read contents will not be returned to the caller.
Severity
4.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 20:52 UTC
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1037 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
The curl Project curl Affected: 7.64.0
guessed Create a notification for this product.
Date Public
2019-02-06 00:00
Show details on NVD website
To clipboard 

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}



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