CVE-2018-16839

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

Description

Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.

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-2018-16839

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-16839.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201811-9

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201811-8

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201811-7

OS impact

OSVersionStatusFixed in
arch archfixed7.62.0-1
suse slesaffected
debian debianbookwormfixed7.62.0-1
debian debianbullseyefixed7.62.0-1
debian debianforkyfixed7.62.0-1
debian debiansidfixed7.62.0-1
debian debiantrixiefixed7.62.0-1

References

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