cve.nowby Sazabi

npmPackage

postal-mime

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

Latest release: 4.2.0 (Oct 29, 2026): no advisory affects it
Newest unaffected release: 4.2.0 (Oct 29, 2026), the latest release
Advisories: 1 · 1 high

Weekly downloads: 17.2M
Dependents: 75
Releases: 73 since 1.0.0 (Jan 12, 2021)
Registry: npm
Releases read: Nov 8, 2026

Version timeline

GHSA-F2HQ-32VH-53CC
Affects 3.0.0 to 4.0.7 (4.0.8 is outside it)

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 1

GHSA-F2HQ-32VH-53CCHigh
postal-mime: Quadratic CPU consumption when decoding a header of many joinable RFC 2047 base64 encoded words
Affected: from 3.0.0, fixed in 4.0.8.
Fixed in 4.0.8 (released Oct 17, 2026, 6 days before disclosure).
The latest release, 4.2.0, is not affected.
5.4% of postal-mime downloads last week were affected versions (1M).