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
- Jul 5, 2018
- Updated
- Jun 16, 2026
- EPSS
- 4.2% · 91th percentile
- CWE
- CWE-125
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Report tools
Action score
40
Plan
Add it to your regular patch cycle.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 4.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| gnome | libsoup | cpe:2.3:a:gnome:libsoup |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| redhat | ansible tower | cpe:2.3:a:redhat:ansible_tower |
| redhat | openshift container platform | cpe:2.3:a:redhat:openshift_container_platform |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux14.04
- canonical ubuntu linux16.04
- canonical ubuntu linux17.10
- canonical ubuntu linux18.04
- debian debian linux8.0
- debian debian linux9.0
- gnome libsoup2.63.2
- opensuse leap15.0
- redhat ansible tower3.3
- redhat enterprise linux desktop7.0
- redhat enterprise linux server7.0
- redhat enterprise linux workstation7.0
- redhat openshift container platform3.11
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | libsoup2.4 | before 2.62.2-2 | 2.62.2-2 |
| Debian:8 | libsoup2.4 | before 2.48.0-1+deb8u2 | 2.48.0-1+deb8u2 |
| Debian:9 | libsoup2.4 | before 2.56.0-2+deb9u2 | 2.56.0-2+deb9u2 |
| openSUSE:Leap 15.0 | libsoup | before 2.62.2-lp150.2.3.1 | 2.62.2-lp150.2.3.1 |
| openSUSE:Tumbleweed | libsoup | before 2.72.0-2.5 | 2.72.0-2.5 |
| Red Hat:enterprise_linux:7::client | accountsservice | before 0:0.6.50-2.el7 | 0:0.6.50-2.el7 |
| Red Hat:enterprise_linux:7::client | accountsservice-debuginfo | before 0:0.6.50-2.el7 | 0:0.6.50-2.el7 |
| Red Hat:enterprise_linux:7::client | accountsservice-devel | before 0:0.6.50-2.el7 | 0:0.6.50-2.el7 |
| Red Hat:enterprise_linux:7::client | accountsservice-libs | before 0:0.6.50-2.el7 | 0:0.6.50-2.el7 |
| Red Hat:enterprise_linux:7::client | adwaita-cursor-theme | before 0:3.28.0-1.el7 | 0:3.28.0-1.el7 |
| Red Hat:enterprise_linux:7::client | adwaita-gtk2-theme | before 0:3.28-2.el7 | 0:3.28-2.el7 |
| Red Hat:enterprise_linux:7::client | adwaita-icon-theme | before 0:3.28.0-1.el7 | 0:3.28.0-1.el7 |
| Red Hat:enterprise_linux:7::client | adwaita-icon-theme-devel | before 0:3.28.0-1.el7 | 0:3.28.0-1.el7 |
| Red Hat:enterprise_linux:7::client | appstream-data | before 0:7-20180614.el7 | 0:7-20180614.el7 |
| Red Hat:enterprise_linux:7::client | at-spi2-atk | before 0:2.26.2-1.el7 | 0:2.26.2-1.el7 |
| Red Hat:enterprise_linux:7::client | at-spi2-atk-debuginfo | before 0:2.26.2-1.el7 | 0:2.26.2-1.el7 |
| Red Hat:enterprise_linux:7::client | at-spi2-atk-devel | before 0:2.26.2-1.el7 | 0:2.26.2-1.el7 |
| Red Hat:enterprise_linux:7::client | at-spi2-core | before 0:2.28.0-1.el7 | 0:2.28.0-1.el7 |
| Red Hat:enterprise_linux:7::client | at-spi2-core-debuginfo | before 0:2.28.0-1.el7 | 0:2.28.0-1.el7 |
| Red Hat:enterprise_linux:7::client | at-spi2-core-devel | before 0:2.28.0-1.el7 | 0:2.28.0-1.el7 |
| Red Hat:enterprise_linux:7::client | atk | before 0:2.28.1-1.el7 | 0:2.28.1-1.el7 |
| Red Hat:enterprise_linux:7::client | atk-debuginfo | before 0:2.28.1-1.el7 | 0:2.28.1-1.el7 |
| Red Hat:enterprise_linux:7::client | atk-devel | before 0:2.28.1-1.el7 | 0:2.28.1-1.el7 |
| Red Hat:enterprise_linux:7::client | baobab | before 0:3.28.0-2.el7 | 0:3.28.0-2.el7 |
+96
Same product
gnome: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-2885An exploitable stack based buffer overflow vulnerability exists in the GNOME libsoup 2.58.46Plan
- CVE-2019-17266libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does no40Plan
- CVE-2026-2369Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources36Monitor
- CVE-2026-5119Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment32Monitor
- CVE-2026-2436Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake32Monitor
- CVE-2026-4271Libsoup: libsoup: denial of service via use-after-free in http/2 server30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:libsoup2.4 | 2.62.2-2 · Debian:12 | Package registry (OSV) |
| opensuse:libsoup | 2.62.2-lp150.2.3.1 · openSUSE:Leap 15.0 | Package registry (OSV) |
| red hat:accountsservice | 0:0.6.50-2.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:accountsservice-debuginfo | 0:0.6.50-2.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:accountsservice-libs | 0:0.6.50-2.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:adwaita-cursor-theme | 0:3.28.0-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:adwaita-gtk2-theme | 0:3.28-2.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit-command-not-found | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit-debuginfo | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit-glib | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit-gstreamer-plugin | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit-gtk3-module | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:PackageKit-yum | 0:1.1.10-1.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| suse:libsoup | 2.62.2-5.7.1 · SUSE:Linux Enterprise Desktop 12 SP3 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-125 · Out-of-bounds ReadCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00003.html
- access.redhat.com/errata/RHBA-2019:0327
- access.redhat.com/errata/RHSA-2018:3140
- access.redhat.com/errata/RHSA-2018:3505
- gitlab.gnome.org/GNOME/gnome-sdk-images/commit/4215b8a21b3b3055e947312a8920df94f93ba047
- gitlab.gnome.org/GNOME/libsoup/commit/db2b0d5809d5f8226d47312b40992cadbcde439f
- gitlab.gnome.org/GNOME/libsoup/issues/3
- lists.debian.org/debian-lts-announce/2018/07/msg00007.html
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SBREWZ3EEDYWG6PCLWL2EJ24ME5ZFAX6/
- usn.ubuntu.com/3701-1/
- www.debian.org/security/2018/dsa-4241
Vendor advisories and official records. Exploit/PoC links are deliberately left out.