CVE-2019-5436

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

Description

A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.

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-2019-5436

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-5436.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-11

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-12

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-13

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-14

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-15

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-16

OS impact

OSVersionStatusFixed in
arch archfixed7.65.0-1
suse slesaffected
debian debianbookwormfixed7.64.0-4
debian debianbullseyefixed7.64.0-4
debian debianforkyfixed7.64.0-4
debian debiansidfixed7.64.0-4
debian debiantrixiefixed7.64.0-4

References

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