CVE-2021-44144 json
Asterix Heap-based Buffer Overflow
published 2021-11-22 4 y ago modified 2026-06-17 4 mo ago also GHSA-6mmf-v5q7-vw2w , PYSEC-2021-860 , EUVD-2021-0027
- cvss
- 9.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
Patch / fix
- pypi asterix-decoder 0.7.2
Exploit prediction
1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:N/A:P |
| GitHub | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | asterix-decoder | <0.7.2 |
0.7.2 |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/CroatiaControlLtd/asterix/issues/183
web, issue-tracking, patch, third-party-advisory, report
-
github.com
/CroatiaControlLtd/asterix/commit/3f765d387d239ccc44e278a2ffa600fb6a6587f9
web
-
github.com
/croatiacontrolltd/asterix/commit/3f765d387d239ccc44e278a2ffa600fb6a6587f9
patch
-
nvd.nist.gov
/vuln/detail/CVE-2021-44144
advisory
-
github.com
/CroatiaControlLtd/asterix
package
-
github.com
/CroatiaControlLtd/asterix/blob/daf33de522d1cdab0e941c025b89e18a0d4d42c6/README.md?plain=1#L7
web
-
github.com
/pypa/advisory-database/tree/main/vulns/asterix-decoder/PYSEC-2021-860.yaml
web
-
web.archive.org
/web/20221207104133/https://huntr.dev/bounties/1-other-CroatiaControlLtd/asterix
web
-
github.com
/advisories/GHSA-6mmf-v5q7-vw2w
advisory
Sources
- CVE List CVE-2021-44144
- GitHub Advisory GHSA-6mmf-v5q7-vw2w
- NVD CVE-2021-44144
- OSV PYSEC-2021-860
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.