CVE-2018-0500

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

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).

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-0500

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-0500.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201807-10

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201807-5

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201807-6

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201807-7

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201807-8

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201807-9

OS impact

OSVersionStatusFixed in
arch archfixed7.61.0-1
suse slesaffected
debian debianbookwormfixed7.61.0-1
debian debianbullseyefixed7.61.0-1
debian debianforkyfixed7.61.0-1
debian debiansidfixed7.61.0-1
debian debiantrixiefixed7.61.0-1

References

Verify integrity in audit chain (admin only). AS-IS.