Array index error in the apply_rcs_change function in rcs.c in CVS 1.11.23 allows local users to gain privileges via an RCS file containing crafted delta fragment changes that trigger a heap-based buffer overflow.
Conclusion & alert: CVE-2010-3846 is rated Low Risk (38.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.39%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-06-15 | 0.13% | 0.39% | +0.26% |
| 2 | 2025-03-30 | 0.18% | 0.13% | -0.05% |
| 3 | 2025-03-29 | — | 0.18% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2010-3846: 1 source package rows (cvs); 11 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-main, edge-community, edge-main); fixed 11, open 0. | https://security.alpinelinux.org/vuln/CVE-2010-3846 |
debian
|
unimportant | CVE-2010-3846 unimportant priority: Debian including 1 source packages (cvs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2010-3846 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2010-3846 |
ubuntu
|
medium | CVE-2010-3846 medium priority: Ubuntu including 1 source packages (cvs), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): not-affected 5, needs-triage 1. | https://ubuntu.com/security/CVE-2010-3846 |