CVE-2018-1000300

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.

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-2018-1000300

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-13

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-14

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-15

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-16

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-17

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-18

OS impact

OSVersionStatusFixed in
arch archfixed7.60.0-1
debian debianbookwormfixed7.60.0-1
debian debianbullseyefixed7.60.0-1
debian debianforkyfixed7.60.0-1
debian debiansidfixed7.60.0-1
debian debiantrixiefixed7.60.0-1

References

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