CVE-2019-10906
In Pallets Jinja before 2.10.1, str.format_map allows a sandbox escape.
02 Description
In Pallets Jinja before 2.10.1, str.format_map allows a sandbox escape.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.53% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.9% of scored records. A rank, not a probability.
- NVD base score
- 8.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-04-06 23:17Z7 YR AGO
- Last updated
- 2024-08-04 22:40Z2 YR AGO
- Reserved
- 2019-04-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-138Improper Neutralization of Special ElementsClass
- Data version
- 5.1
- Document digest
- b8322dc33c3edefcc7fb057d9ac0491865ac1b7eec8e8a08a7a9bd94735deed1
05 Affected products
06 References
- palletsprojects.comhttps://palletsprojects.com/blog/jinja-2-10-1-released
- lists.apache.org[infra-devnull] 20190410 [GitHub] [airflow] XD-DENG opened pull request #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/46c055e173b52d599c648a98199972dbd6a89d2b4c4647b0500f2284%40%3Cdevnull.infra.apache.org%3E
- lists.apache.org[airflow-commits] 20190410 [GitHub] [airflow] XD-DENG opened a new pull request #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/b2380d147b508bbcb90d2cad443c159e63e12555966ab4f320ee22da%40%3Ccommits.airflow.apache.org%3E
- lists.apache.org[airflow-commits] 20190410 [GitHub] [airflow] XD-DENG commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/f0c4a03418bcfe70c539c5dbaf99c04c98da13bfa1d3266f08564316%40%3Ccommits.airflow.apache.org%3E
- lists.apache.org[airflow-commits] 20190410 [GitHub] [airflow] ashb commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/57673a78c4d5c870d3f21465c7e2946b9f8285c7c57e54c2ae552f02%40%3Ccommits.airflow.apache.org%3E
- lists.apache.org[infra-devnull] 20190410 [GitHub] [airflow] XD-DENG commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/320441dccbd9a545320f5f07306d711d4bbd31ba43dc9eebcfc602df%40%3Cdevnull.infra.apache.org%3E
- lists.apache.org[infra-devnull] 20190410 [GitHub] [airflow] ashb commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/2b52b9c8b9d6366a4f1b407a8bde6af28d9fc73fdb3b37695fd0d9ac%40%3Cdevnull.infra.apache.org%3E
- lists.apache.org[airflow-commits] 20190410 [GitHub] [airflow] ashb merged pull request #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/7f39f01392d320dfb48e4901db68daeece62fd60ef20955966739993%40%3Ccommits.airflow.apache.org%3E
- lists.apache.org[infra-devnull] 20190410 [GitHub] [airflow] ashb closed pull request #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906https://lists.apache.org/thread.html/09fc842ff444cd43d9d4c510756fec625ef8eb1175f14fd21de2605f%40%3Cdevnull.infra.apache.org%3E
- lists.fedoraproject.orgFEDORA-2019-4f978cacb4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QCDYIS254EJMBNWOG4S5QY6AOTOR4TZU/
- lists.fedoraproject.orgFEDORA-2019-e41e19457bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSW3QZMFVVR7YE3UT4YRQA272TYAL5AF/
- lists.fedoraproject.orgFEDORA-2019-04a42e480bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TS7IVZAJBWOHNRDMFJDIZVFCMRP6YIUQ/
- access.redhat.comRHSA-2019:1152https://access.redhat.com/errata/RHSA-2019:1152
- lists.opensuse.orgopenSUSE-SU-2019:1395http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00030.html
- access.redhat.comRHSA-2019:1237https://access.redhat.com/errata/RHSA-2019:1237
- access.redhat.comRHSA-2019:1329https://access.redhat.com/errata/RHSA-2019:1329
- usn.ubuntu.comUSN-4011-1https://usn.ubuntu.com/4011-1/
- usn.ubuntu.comUSN-4011-2https://usn.ubuntu.com/4011-2/
- lists.opensuse.orgopenSUSE-SU-2019:1614http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00064.html
07 Fixed in
Debian 12
- jinja2 Fixed in 2.10-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- jinja2 Fixed in 2.10-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- jinja2 Fixed in 2.10-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- jinja2 Fixed in 2.8-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- jinja2 Fixed in 2.10-1ubuntu0.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- jinja2 Fixed in 2.7.2-2ubuntu0.1~esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.