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Fencer Intel
medium 5.3

CVE-2020-7761 json

Regular Expression Denial of Service (ReDoS)

published 6y ago modified last mo. also GHSA-hgpf-97c5-74fc , EUVD-2021-1102

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

This affects the package @absolunet/kafe before 3.2.10. It allows cause a denial of service when validating crafted invalid emails.

Patch / fix

  • npm @absolunet/kafe 3.2.10
  • n/a @absolunet/kafe 3.2.10

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Exploit prediction

1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
npm @absolunet/kafe
<3.2.10
3.2.10

Affected products

  • n/a @absolunet/kafe

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel 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.