CVE-2018-0500
CVSS v3
9.8
CRITICAL
EPSS Score
6.4 %
exploit probability, as of 2026-10-18
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
curl: Heap-based buffer overflow in Curl_smtp_escape_eob() when uploading data over SMTP
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.29 security update
Description
Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).
Technical details
- Published
- 2018-07-11
Frequently asked questions
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