yaml-cpp: assertion failure in Token& Scanner::peek function
Published Jul 30, 2017
7.5
HIGHCVSS 3.0
EPSS 2.25%
Description
The function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service (assertion failure and application exit) via a '!2' string.
Affected products
No data.
- ≤ 0.5.3
No data.
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
yaml-cpp
Will not fix
Red Hat OpenStack Platform 10 (Newton)
yaml-cpp
Will not fix
Red Hat OpenStack Platform 11 (Ocata)
yaml-cpp
Will not fix
Red Hat OpenStack Platform 12 (Pike)
yaml-cpp
Will not fix
Red Hat OpenStack Platform 8 (Liberty)
yaml-cpp
Will not fix
Red Hat OpenStack Platform 9 (Mitaka)
yaml-cpp
Will not fix
Red Hat Satellite 6
yaml-cpp
Will not fix
Red Hat Software Collections
rh-mongodb26-yaml-cpp
Will not fix
Red Hat Software Collections
rh-mongodb30upg-yaml-cpp
Will not fix
Red Hat Software Collections
rh-mongodb32-yaml-cpp
Will not fix
Red Hat Software Collections
rh-mongodb34-yaml-cpp
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | yaml-cpp | Will not fix | n/a |
| Red Hat OpenStack Platform 10 (Newton) | yaml-cpp | Will not fix | n/a |
| Red Hat OpenStack Platform 11 (Ocata) | yaml-cpp | Will not fix | n/a |
| Red Hat OpenStack Platform 12 (Pike) | yaml-cpp | Will not fix | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | yaml-cpp | Will not fix | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | yaml-cpp | Will not fix | n/a |
| Red Hat Satellite 6 | yaml-cpp | Will not fix | n/a |
| Red Hat Software Collections | rh-mongodb26-yaml-cpp | Will not fix | n/a |
| Red Hat Software Collections | rh-mongodb30upg-yaml-cpp | Will not fix | n/a |
| Red Hat Software Collections | rh-mongodb32-yaml-cpp | Will not fix | n/a |
| Red Hat Software Collections | rh-mongodb34-yaml-cpp | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Satellite 6.5 ship yaml-cpp however has been rated as a security impact of Low, product version Satellite 6.6 onward is not affected. Satellite 6.5 is in Maintenance Support phase of the product life cycle and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Satellite 6 Life Cycle: https://access.redhat.com/support/policy/updates/satellite.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.25% (0.02249) | 82.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02249) | 80.55th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.30% (0.00300) | 69.83th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00300) | 68.71th | v3 (v2023.03.01) |
| Jun 9, 2023 | 0.30% (0.00300) | 65.12th | v3 (v2023.03.01) |
| May 8, 2023 | 0.28% (0.00278) | 63.47th | v3 (v2023.03.01) |
| Mar 19, 2023 | 0.24% (0.00243) | 60.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00229) | 59.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00976) | 26.54th | v1 |
| Jan 6, 2022 | 0.98% (0.00976) | 25.91th | v1 |
| Sep 1, 2021 | 0.98% (0.00976) | 61.78th | v1 |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2017-11692 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1477074 Issue Tracking
- https://github.com/jbeder/yaml-cpp/issues/519 x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-11692
- https://security.gentoo.org/glsa/202007-14 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-11692
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-11692 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1477074 | Issue Tracking | |
| https://github.com/jbeder/yaml-cpp/issues/519 | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-11692 | ||
| https://security.gentoo.org/glsa/202007-14 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2017-11692 |
Change history (0)
No recorded changes yet.