CVE-2020-28493
MediumAdvisory
Published 1 Feb 2021In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.3
- base score, highest
- EPSS
- 0.035
- 89th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 93
- of 17,781 indexed, latest versions
- Container images
- 102
- deployed by those charts
- Fix available
- 2 of 2
- affected packages
Regular Expression Denial of Service (ReDoS) in Jinja2
Carried by container images the latest versions of 93 of 17,781 indexed charts deploy, on 102 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| jinja2pypi | 2.7.2, 2.8, 2.8.1, 2.9.4+6 more | 2.11.3 | 102 |
| jinja2deb | 2.7.2-2, 2.10.1-2 | 2.7.2-2ubuntu0.1~esm2, 2.10.1-2ubuntu0.2 | 7 |
- OSV records
- GHSA-g3rq-g295-4j3mUBUNTU-CVE-2020-28493
- Also known as
- PYSEC-2021-66, SNYK-PYTHON-JINJA2-1012994, USN-6599-1
Charts affected
93 by stars
Container images carrying it
102 by charts deploying them
A fixed version is listed for 2 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| amancevice/ | 12a0a9e66550 | jinja2 | 2.11.3 | 2 |
| datawire/ | 8588eafe6862 | jinja2 | 2.11.3 | 2 |
| hjacobs/ | 58221b57d4d2 | jinja2 | 2.11.3 | 2 |
| istio/ | 0a5eb4795952 | jinja2 | 2.11.3 | 2 |
| istio/ | 22a0410f35a8 | jinja2 | 2.11.3 | 2 |
| larribas/ | 05ccb0b46bfb | jinja2 | 2.11.3 | 2 |
| nachomillangarcia/ | e4ce056f2d6d | jinja2 | 2.11.3 | 2 |
| neilpeterson/ | 84062718347c | jinja2 | 2.11.3 | 2 |
| omecproject/ | 7c17a7b1d1ef | jinja2 | 2.11.3 | 2 |
| omecproject/ | cfdb566dd949 | jinja2 | 2.11.3 | 2 |
| quay.io/ | f7f8228f17cc | jinja2 | 2.11.3 | 2 |
| a10networks/ | 8dc58d434d71 | jinja2 | 2.11.3 | 1 |
| amancevice/ | c8c04bfe3d66 | jinja2 | 2.11.3 | 1 |
| amundsendev/ | 69e7915e61c1 | jinja2 | 2.11.3 | 1 |
| amundsendev/ | 4d98eb21f5f9 | jinja2 | 2.11.3 | 1 |
| amundsendev/ | 99dda9502c3e | jinja2 | 2.11.3 | 1 |
| anchore/ | ed9b3badd17c | jinja2 | 2.11.3 | 1 |
| ansiblesemaphore/ | 03d1f8684027 | jinja2 | 2.11.3 | 1 |
| apachepulsar/ | 3b262ab7a7d9 | jinja2 jinja2 | 2.10.1-2ubuntu0.2 2.11.3 | 1 |
| apachepulsar/ | 4db6ff0b4045 | jinja2 | 2.11.3 | 1 |
| apachepulsar/ | d056c89b7131 | jinja2 jinja2 | 2.10.1-2ubuntu0.2 2.11.3 | 1 |
| apachepulsar/ | d538416d5afe | jinja2 jinja2 | 2.10.1-2ubuntu0.2 2.11.3 | 1 |
| apsl/ | 51e2de5c2c70 | jinja2 | 2.11.3 | 1 |
| bootc/ | f1383295e7be | jinja2 | 2.11.3 | 1 |
| camptocamp/ | 35c91d5fda04 | jinja2 | 2.11.3 | 1 |
| ceph/ | 90f30824a96e | jinja2 | 2.11.3 | 1 |
| cheyang/ | 46cc34755493 | jinja2 | 2.11.3 | 1 |
| chorss/ | 5c549cacb8ab | jinja2 | 2.11.3 | 1 |
| citizenstig/ | b81c818ccb86 | jinja2 | 2.11.3 | 1 |
| confluentinc/ | f2975d507a2a | jinja2 | 2.11.3 | 1 |
| confluentinc/ | 8f1544df1f48 | jinja2 | 2.11.3 | 1 |
| confluentinc/ | 1bbda887bc53 | jinja2 | 2.11.3 | 1 |
| confluentinc/ | c87b1c07fb53 | jinja2 | 2.11.3 | 1 |
| confluentinc/ | 4bc70a83ca6f | jinja2 | 2.11.3 | 1 |
| confluentinc/ | b0b7aa26254a | jinja2 | 2.11.3 | 1 |
| confluentinc/ | ee403d5b9090 | jinja2 | 2.11.3 | 1 |
| confluentinc/ | b651d4b6185a | jinja2 | 2.11.3 | 1 |
| confluentinc/ | 78c190f4472c | jinja2 | 2.11.3 | 1 |
| craigwillis/ | ae317d7e4724 | jinja2 | 2.11.3 | 1 |
| daskdev/ | 4ecd7bc35500 | jinja2 | 2.11.3 | 1 |
| daskdev/ | 052630f5ca04 | jinja2 | 2.11.3 | 1 |
| datawire/ | 07f8fe4f4f8e | jinja2 | 2.11.3 | 1 |
| datawire/ | 2beb65062c8b | jinja2 | 2.11.3 | 1 |
| datawire/ | 9716efbdd24b | jinja2 | 2.11.3 | 1 |
| dpage/ | a5a656e1d5fd | jinja2 | 2.11.3 | 1 |
| dpage/ | b1f00b8163cf | jinja2 | 2.11.3 | 1 |
| drgrove/ | 361721759a2b | jinja2 | 2.11.3 | 1 |
| dysnix/ | 19951e3e7a32 | jinja2 | 2.11.3 | 1 |
| elastichq/ | bb3bd22c2b87 | jinja2 | 2.11.3 | 1 |
| fiware/ | 3e3ec88d59ed | jinja2 | 2.11.3 | 1 |