CVE-2026-8924

EUVD-2026-41505
A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set
'super cookies' that bypass the Public Suffix List check. This enables an
attacker-controlled origin to inject cookies that curl subsequently scopes and
transmits to unrelated third-party domains.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
curlCNA
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 43.94%
Affected Products (NVD)
VendorProductVersion
haxxcurl
7.46.0 ≤
𝑥
< 8.21.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
curlcurl
𝑥
≤ 8.20.0
CNA
curlcurl
𝑥
≤ 8.19.0
CNA
curlcurl
𝑥
≤ 8.18.0
CNA
curlcurl
𝑥
≤ 8.17.0
CNA
curlcurl
𝑥
≤ 8.16.0
CNA
curlcurl
𝑥
≤ 8.15.0
CNA
curlcurl
𝑥
≤ 8.14.1
CNA
curlcurl
𝑥
≤ 8.14.0
CNA
curlcurl
𝑥
≤ 8.13.0
CNA
curlcurl
𝑥
≤ 8.12.1
CNA
curlcurl
𝑥
≤ 8.12.0
CNA
curlcurl
𝑥
≤ 8.11.1
CNA
curlcurl
𝑥
≤ 8.11.0
CNA
curlcurl
𝑥
≤ 8.10.1
CNA
curlcurl
𝑥
≤ 8.10.0
CNA
curlcurl
𝑥
≤ 8.9.1
CNA
curlcurl
𝑥
≤ 8.9.0
CNA
curlcurl
𝑥
≤ 8.8.0
CNA
curlcurl
𝑥
≤ 8.7.1
CNA
curlcurl
𝑥
≤ 8.7.0
CNA
curlcurl
𝑥
≤ 8.6.0
CNA
curlcurl
𝑥
≤ 8.5.0
CNA
curlcurl
𝑥
≤ 8.4.0
CNA
curlcurl
𝑥
≤ 8.3.0
CNA
curlcurl
𝑥
≤ 8.2.1
CNA
curlcurl
𝑥
≤ 8.2.0
CNA
curlcurl
𝑥
≤ 8.1.2
CNA
curlcurl
𝑥
≤ 8.1.1
CNA
curlcurl
𝑥
≤ 8.1.0
CNA
curlcurl
𝑥
≤ 8.0.1
CNA
curlcurl
𝑥
≤ 8.0.0
CNA
curlcurl
𝑥
≤ 7.88.1
CNA
curlcurl
𝑥
≤ 7.88.0
CNA
curlcurl
𝑥
≤ 7.87.0
CNA
curlcurl
𝑥
≤ 7.86.0
CNA
curlcurl
𝑥
≤ 7.85.0
CNA
curlcurl
𝑥
≤ 7.84.0
CNA
curlcurl
𝑥
≤ 7.83.1
CNA
curlcurl
𝑥
≤ 7.83.0
CNA
curlcurl
𝑥
≤ 7.82.0
CNA
curlcurl
𝑥
≤ 7.81.0
CNA
curlcurl
𝑥
≤ 7.80.0
CNA
curlcurl
𝑥
≤ 7.79.1
CNA
curlcurl
𝑥
≤ 7.79.0
CNA
curlcurl
𝑥
≤ 7.78.0
CNA
curlcurl
𝑥
≤ 7.77.0
CNA
curlcurl
𝑥
≤ 7.76.1
CNA
curlcurl
𝑥
≤ 7.76.0
CNA
curlcurl
𝑥
≤ 7.75.0
CNA
curlcurl
𝑥
≤ 7.74.0
CNA
curlcurl
𝑥
≤ 7.73.0
CNA
curlcurl
𝑥
≤ 7.72.0
CNA
curlcurl
𝑥
≤ 7.71.1
CNA
curlcurl
𝑥
≤ 7.71.0
CNA
curlcurl
𝑥
≤ 7.70.0
CNA
curlcurl
𝑥
≤ 7.69.1
CNA
curlcurl
𝑥
≤ 7.69.0
CNA
curlcurl
𝑥
≤ 7.68.0
CNA
curlcurl
𝑥
≤ 7.67.0
CNA
curlcurl
𝑥
≤ 7.66.0
CNA
curlcurl
𝑥
≤ 7.65.3
CNA
curlcurl
𝑥
≤ 7.65.2
CNA
curlcurl
𝑥
≤ 7.65.1
CNA
curlcurl
𝑥
≤ 7.65.0
CNA
curlcurl
𝑥
≤ 7.64.1
CNA
curlcurl
𝑥
≤ 7.64.0
CNA
curlcurl
𝑥
≤ 7.63.0
CNA
curlcurl
𝑥
≤ 7.62.0
CNA
curlcurl
𝑥
≤ 7.61.1
CNA
curlcurl
𝑥
≤ 7.61.0
CNA
curlcurl
𝑥
≤ 7.60.0
CNA
curlcurl
𝑥
≤ 7.59.0
CNA
curlcurl
𝑥
≤ 7.58.0
CNA
curlcurl
𝑥
≤ 7.57.0
CNA
curlcurl
𝑥
≤ 7.56.1
CNA
curlcurl
𝑥
≤ 7.56.0
CNA
curlcurl
𝑥
≤ 7.55.1
CNA
curlcurl
𝑥
≤ 7.55.0
CNA
curlcurl
𝑥
≤ 7.54.1
CNA
curlcurl
𝑥
≤ 7.54.0
CNA
curlcurl
𝑥
≤ 7.53.1
CNA
curlcurl
𝑥
≤ 7.53.0
CNA
curlcurl
𝑥
≤ 7.52.1
CNA
curlcurl
𝑥
≤ 7.52.0
CNA
curlcurl
𝑥
≤ 7.51.0
CNA
curlcurl
𝑥
≤ 7.50.3
CNA
curlcurl
𝑥
≤ 7.50.2
CNA
curlcurl
𝑥
≤ 7.50.1
CNA
curlcurl
𝑥
≤ 7.50.0
CNA
curlcurl
𝑥
≤ 7.49.1
CNA
curlcurl
𝑥
≤ 7.49.0
CNA
curlcurl
𝑥
≤ 7.48.0
CNA
curlcurl
𝑥
≤ 7.47.1
CNA
curlcurl
𝑥
≤ 7.47.0
CNA
curlcurl
𝑥
≤ 7.46.0
CNA
Debian logo
Debian Releases
Debian Product
Codename
curl
bookworm
postponed
bookworm (security)
vulnerable
bullseye
postponed
bullseye (security)
vulnerable
forky
8.21.0-2
fixed
sid
8.21.0-2
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
curl
bionic
Fixed 7.58.0-2ubuntu3.24+esm9
released
focal
Fixed 7.68.0-1ubuntu2.25+esm4
released
jammy
Fixed 7.81.0-1ubuntu1.25
released
noble
Fixed 8.5.0-2ubuntu10.10
released
questing
Fixed 8.14.1-2ubuntu1.4
released
resolute
Fixed 8.18.0-1ubuntu2.2
released
trusty
not-affected
xenial
Fixed 7.47.0-1ubuntu2.19+esm16
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
curl
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
libcurl-devel
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
libcurl4
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
libcurl4-32bit
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
cmake
Azure Linux 3.0
0:3.30.3-15.azl3
fixed