VDB
CVE-2026-48840
CVE-2026-48840
PUBLISHED
CVSS 5.3 MEDIUM
Reported by mitre · Published May 30, 2026
Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.
Risk Scores
CVSS v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Exim | Exim | 4.88 |
| alpine | exim | 0, 0, 0 |
| exim | exim | 4.88, 4.88, 4.88 |
| Exim | Exim | 4.88, 4.88, 4.88 |
Timeline
- May 30, 2026 EPSS Score
- May 30, 2026 CVE Published
- May 30, 2026 CVE Updated
- May 31, 2026 EPSS Score
- May 31, 2026 Coalition ESS Score
- Jun 1, 2026 EPSS Score
- Jun 1, 2026 Security Advisory