CVE catalog
CVE-2017-18640
snakeyaml: CVE-2017-18640
- Severity
- High · CVSS 7.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 26.72% · Oct 25, 2026
The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | snakeyaml | sid | 2.5+ds-1 | fixed |
| Debian | snakeyaml | forky | 2.5+ds-1 | fixed |
| Debian | snakeyaml | trixie | 2.0+ds+really1.33-1 | fixed |
| Debian | snakeyaml | bookworm | 1.33-2 | fixed |
| Ubuntu | snakeyaml | pro | 1.23-1 | vulnerable |
| Ubuntu | snakeyaml | pro | 1.25+ds-2 | vulnerable |
| Ubuntu | snakeyaml | pro | 1.25+ds-2ubuntu0.1 | vulnerable |
| Ubuntu | snakeyaml | pro | 1.25+ds-2ubuntu0.1+esm1 | fixed |
| Opensuse | snakeyaml | leap 15.3 | 1.28-3.5.1 | fixed |
| Opensuse | snakeyaml | tumbleweed | 1.28-2.2 | fixed |
| Suse | snakeyaml | manager server module 4.1 | 1.28-12.3.1 | fixed |
| Ubuntu | snakeyaml | pro | 1.23-1 | vulnerable |
| Ubuntu | snakeyaml | pro | 1.25+ds-2 | vulnerable |
| Ubuntu | snakeyaml | pro | 1.25+ds-2ubuntu0.1 | vulnerable |
| Ubuntu | snakeyaml | pro | 1.25+ds-2ubuntu0.1+esm1 | fixed |
| Suse | snakeyaml | linux enterprise module for development tools 15 sp2 | 1.28-3.5.1 | fixed |
| Suse | snakeyaml | linux enterprise module for development tools 15 sp3 | 1.28-3.5.1 | fixed |
| Suse | snakeyaml | manager server module 4.2 | 1.28-3.5.1 | fixed |
| Opensuse | snakeyaml | leap 15.2 | 1.28-lp152.2.3.1 | fixed |
| Suse | snakeyaml | manager server module 4.0 | 1.28-12.3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | snakeyaml | source | sid | 1.25+ds-3 | not yet assigned | Not reported | [952683] |
| Debian | snakeyaml | source | forky | 1.25+ds-3 | not yet assigned | Not reported | [952683] |
| Debian | snakeyaml | source | trixie | 1.25+ds-3 | not yet assigned | Not reported | [952683] |
| Debian | snakeyaml | source | bookworm | 1.25+ds-3 | not yet assigned | Not reported | [952683] |
| Ubuntu | snakeyaml | deb | pro | 1.25+ds-2ubuntu0.1+esm1 | Not reported | USN-7368-1 | Not reported |
| Opensuse | snakeyaml | rpm | leap 15.3 | 1.28-3.5.1 | Not reported | OPENSUSE-SU-2021:1876-1 | Not reported |
| Opensuse | snakeyaml | rpm | tumbleweed | 1.28-2.2 | Not reported | OPENSUSE-SU-2024:11391-1 | Not reported |
| Suse | snakeyaml | rpm | manager server module 4.1 | 1.28-12.3.1 | Not reported | SUSE-SU-2021:1979-1 | Not reported |
| Ubuntu | snakeyaml | deb | pro | 1.25+ds-2ubuntu0.1+esm1 | Not reported | UBUNTU-CVE-2017-18640 | Not reported |
| Suse | snakeyaml | rpm | linux enterprise module for development tools 15 sp2 | 1.28-3.5.1 | Not reported | SUSE-SU-2021:1876-1 | Not reported |
| Suse | snakeyaml | rpm | linux enterprise module for development tools 15 sp3 | 1.28-3.5.1 | Not reported | SUSE-SU-2021:1876-1 | Not reported |
| Suse | snakeyaml | rpm | manager server module 4.2 | 1.28-3.5.1 | Not reported | SUSE-SU-2021:1876-1 | Not reported |
| Opensuse | snakeyaml | rpm | leap 15.2 | 1.28-lp152.2.3.1 | Not reported | OPENSUSE-SU-2021:0855-1 | Not reported |
| Suse | snakeyaml | rpm | manager server module 4.0 | 1.28-12.3.1 | Not reported | SUSE-SU-2021:1978-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [snakeyaml-javadoc]Unknown
Source package: [snakeyaml]
Details (1)
2.2-3.8· noarch · tumbleweedUnknown · Fixed:
1.28-2.2Version impact unknown
dsa · snakeyaml · opensuse · tumbleweed
- [snakeyaml]Fixed
Source package: [snakeyaml]
Details (1)
2.2-3.8· noarch · tumbleweedFixed · Fixed:
1.28-2.2dsa · snakeyaml · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [libyaml-snake-java]Fixed
Source package: [snakeyaml]
Details (2)
1.33-2· all · bookwormFixed · Fixed:
1.25+ds-3dsa · snakeyaml · debian · bookworm; dsa · snakeyaml · debian · 12
1.33-2· all · bookwormFixed · Fixed:
1.25+ds-3dsa · snakeyaml · debian · bookworm; dsa · snakeyaml · debian · 12
- [libyaml-snake-java-doc]Fixed
Source package: [snakeyaml]
Details (2)
1.33-2· all · bookwormFixed · Fixed:
1.25+ds-3dsa · snakeyaml · debian · bookworm; dsa · snakeyaml · debian · 12
1.33-2· all · bookwormFixed · Fixed:
1.25+ds-3dsa · snakeyaml · debian · bookworm; dsa · snakeyaml · debian · 12
[Debian 13 (Trixie)]
- [libyaml-snake-java]Fixed
Source package: [snakeyaml]
Details (2)
2.0+ds+really1.33-1· all · trixieFixed · Fixed:
1.25+ds-3dsa · snakeyaml · debian · 13
2.0+ds+really1.33-1· all · trixieFixed · Fixed:
1.25+ds-3dsa · snakeyaml · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2020_4807.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-18640]
- [https://osv.dev/vulnerability/SUSE-SU-2021:1876-1]
- [https://osv.dev/vulnerability/SUSE-SU-2021:1978-1]
- [https://osv.dev/vulnerability/SUSE-SU-2021:1979-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-18640]
- [https://osv.dev/vulnerability/USN-7368-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:0855-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:1876-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11391-1]
- [https://security-tracker.debian.org/tracker/CVE-2017-18640]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-18640.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2026-3721.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]