Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character.
Conclusion & alert: CVE-2010-2494 is rated Moderate Risk (50.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.64%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 5.27% | 4.64% | -0.63% |
| 2 | 2025-03-29 | 4.64% | 5.27% | +0.63% |
| 3 | 2025-03-17 | — | 4.64% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2010-2494 low priority: Debian including 1 source packages (bogofilter), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2010-2494 |
ubuntu
|
medium | CVE-2010-2494 medium priority: Ubuntu including 1 source packages (bogofilter), 6 status rows across 6 suites (dapper, hardy, jaunty, karmic, lucid, upstream): released 5, ignored 1. | https://ubuntu.com/security/CVE-2010-2494 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bogofilter | bogofilter | <= 1.2.1 | cpe:2.3:a:bogofilter:bogofilter:*:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.0.0 | cpe:2.3:a:bogofilter:bogofilter:1.0.0:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.0.1 | cpe:2.3:a:bogofilter:bogofilter:1.0.1:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.0.2 | cpe:2.3:a:bogofilter:bogofilter:1.0.2:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.0.3 | cpe:2.3:a:bogofilter:bogofilter:1.0.3:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.0 | cpe:2.3:a:bogofilter:bogofilter:1.1.0:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.1 | cpe:2.3:a:bogofilter:bogofilter:1.1.1:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.2 | cpe:2.3:a:bogofilter:bogofilter:1.1.2:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.3 | cpe:2.3:a:bogofilter:bogofilter:1.1.3:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.4 | cpe:2.3:a:bogofilter:bogofilter:1.1.4:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.5 | cpe:2.3:a:bogofilter:bogofilter:1.1.5:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.6 | cpe:2.3:a:bogofilter:bogofilter:1.1.6:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.1.7 | cpe:2.3:a:bogofilter:bogofilter:1.1.7:*:*:*:*:*:*:* |
| bogofilter | bogofilter | 1.2.0 | cpe:2.3:a:bogofilter:bogofilter:1.2.0:*:*:*:*:*:*:* |