CVE-2023-28319

A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
Affected Products (NVD)
VendorProductVersion
haxxcurl
𝑥
< 8.1.0
applemacos
11.0 ≤
𝑥
< 11.7.9
applemacos
12.0 ≤
𝑥
< 12.6.8
applemacos
13.0 ≤
𝑥
< 13.5
netappclustered_data_ontap
-
netappontap_antivirus_connector
-
netapph300s_firmware
-
netapph500s_firmware
-
netapph700s_firmware
-
netapph410s_firmware
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
curl
bookworm
7.88.1-10+deb12u8
fixed
bookworm (security)
7.88.1-10+deb12u5
fixed
bullseye
7.74.0-1.3+deb11u13
not-affected
bullseye (security)
7.74.0-1.3+deb11u14
fixed
buster
not-affected
sid
8.11.1-1
fixed
trixie
8.11.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
curl
bionic
not-affected
focal
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
trusty
not-affected
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
curl
suse enterprise desktop 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise desktop 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise sap 12 SP5
8.0.1-11.65.2
fixed
suse enterprise sap 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise sap 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise server 12 SP5
8.0.1-11.65.2
fixed
suse enterprise server 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise server 15 SP7
8.6.0-150600.4.21.1
fixed
libcurl-devel
suse enterprise desktop 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise desktop 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise sap 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise sap 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise server 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise server 15 SP7
8.6.0-150600.4.21.1
fixed
libcurl4
suse enterprise desktop 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise desktop 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise sap 12 SP5
8.0.1-11.65.2
fixed
suse enterprise sap 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise sap 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise server 12 SP5
8.0.1-11.65.2
fixed
suse enterprise server 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise server 15 SP7
8.6.0-150600.4.21.1
fixed
libcurl4-32bit
suse enterprise desktop 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise desktop 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise desktop 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise sap 12 SP5
8.0.1-11.65.2
fixed
suse enterprise sap 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise sap 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise sap 15 SP7
8.6.0-150600.4.21.1
fixed
suse enterprise server 12 SP5
8.0.1-11.65.2
fixed
suse enterprise server 15 SP4
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP5
8.0.1-150400.5.23.1
fixed
suse enterprise server 15 SP6
8.6.0-150600.2.2
fixed
suse enterprise server 15 SP7
8.6.0-150600.4.21.1
fixed