CVE-2017-8818

critical
Published 2017-11-29 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

curl and libcurl before 7.57.0 on 32-bit platforms allow attackers to cause a denial of service (out-of-bounds access and application crash) or possibly have unspecified other impact because too little memory is allocated for interfacing to an SSL library.

Predictions

Exploit likelihood
97%
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-2017-8818

vendor Authored 2026-05-27

Vendor advisory: security@debian.org — https://curl.haxx.se/docs/adv_2017-af0a.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201711-36

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201711-38

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201711-37

OS impact

OSVersionStatusFixed in
arch archfixed7.57.0-1
debian debianbookwormfixed7.57.0-1
debian debianbullseyefixed7.57.0-1
debian debianforkyfixed7.57.0-1
debian debiansidfixed7.57.0-1
debian debiantrixiefixed7.57.0-1

Application impact

VendorProductVersionsFixed
haxxcurl7.56.0
haxxcurl7.56.1
haxxlibcurl7.56.0
haxxlibcurl7.56.1

References

CWEs

CWE-119

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