Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of .returns_int128() is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0, .returns_int128() is validated in simple expressions, but not complex expressions. Users are advised to upgrade. There is no known workaround for this issue.
CVE-2022-24845
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 39% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 68.8%
- KEV
- Not listed
Published
April 13, 2022
Last Modified
November 21, 2024
References (4)
- security-advisories@githubhttps://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b
- security-advisories@githubhttps://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h
- af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b
- af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| vyper | 0.1.0b1 ... 0.3.1 (35 versions) | 0.3.2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-06-29 14:02 UTCOSV refresh
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- 2026-06-22 14:24 UTCEPSS rescore
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- 2026-06-12 04:27 UTCOSV refresh
- 2026-06-11 13:58 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-25 23:54 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-190
- CVE-2009-0947EG 9.8CRITICAL
- CVE-2013-2729EG 9.8 KEVEPSS 99%CRITICAL
- CVE-2005-1141EG 9.8CRITICAL
- CVE-2005-0102EG 9.8CRITICAL
- CVE-2002-0391EG 9.8EPSS 99%CRITICAL
- CVE-2002-0639EG 9.8EPSS 97%CRITICAL
- CVE-2013-3486EG 9.6CRITICAL
- CVE-2013-2596NVD 7.8EG 9.0 KEVHIGH
- CVE-2012-5054NVD 8.8EG 9.0 KEVEPSS 97%HIGH
- CVE-2011-1823NVD 7.8EG 9.0 KEVEPSS 99%HIGH
Frequently asked(5)
What is CVE-2022-24845?
When was CVE-2022-24845 disclosed?
Is CVE-2022-24845 actively exploited?
What is the CVSS score of CVE-2022-24845?
How do I remediate CVE-2022-24845?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-24845
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