CVE-2018-12910

The get_cookies function in soup-cookie-jar.c in libsoup 2.63.2 allows attackers to have unspecified impact via an empty hostname.

Published: 2018-07-05 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-12910 is rated High Risk (70.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.19%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-12910

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 4.54% 4.19% -0.35%
2 2026-05-03 4.22% 4.54% +0.32%
3 2026-04-13 4.22%

Full EPSS history (29 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-12910

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2018-12910

OS Trackers for CVE-2018-12910

vendor priority summary link
debian not yet assigned CVE-2018-12910 not yet assigned priority: Debian including 1 source packages (libsoup2.4), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2018-12910
redhat medium https://access.redhat.com/security/cve/CVE-2018-12910
suse low CVE-2018-12910 severity low: SUSE including 488 source package names (PackageKit-1.1.10-1.el7, PackageKit-command-not-found-1.1.10-1.el7, …), 997 product×package rows across 47 product lines (Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production, … (47 product lines)): Fixed 997. https://www.suse.com/security/cve/CVE-2018-12910/
ubuntu medium CVE-2018-12910 medium priority: Ubuntu including 1 source packages (libsoup2.4), 5 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): released 5. https://ubuntu.com/security/CVE-2018-12910

Affected software / configurations for CVE-2018-12910

Vendor Product Version Raw CPE
gnome libsoup 2.63.2 cpe:2.3:a:gnome:libsoup:2.63.2:*:*:*:*:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 17.10 cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
redhat ansible_tower 3.3 cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*
redhat openshift_container_platform 3.11 cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
opensuse leap 15.0 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

References for CVE-2018-12910

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00003.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3140 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505 Third Party Advisory
https://gitlab.gnome.org/GNOME/gnome-sdk-images/commit/4215b8a21b3b3055e947312a8920df94f93ba047 Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/libsoup/commit/db2b0d5809d5f8226d47312b40992cadbcde439f Patch Third Party Advisory Vendor Advisory
https://gitlab.gnome.org/GNOME/libsoup/issues/3 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00007.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SBREWZ3EEDYWG6PCLWL2EJ24ME5ZFAX6/
https://usn.ubuntu.com/3701-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4241 Third Party Advisory
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