emacs/lisp/progmodes/python.el in Emacs 22.1 and 22.2 imports Python script from the current working directory during editing of a Python file, which allows local users to execute arbitrary code via a Trojan horse Python file.
Conclusion & alert: CVE-2008-3949 is rated Moderate Risk (43.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.53%). 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 | 2026-06-15 | 0.07% | 0.53% | +0.46% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2008-3949 unimportant priority: Debian including 1 source packages (xemacs21), 3 status rows across 3 suites (bookworm, bullseye, sid): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2008-3949 |
gentoo
|
normal | CVE-2008-3949: 1 GLSA(s) (200902-06), 2 atom(s) (app-editors/emacs, app-xemacs/edit-utils); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-3949 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-3949 |
ubuntu
|
low | CVE-2008-3949 low priority: Ubuntu including 2 source packages (emacs21, emacs22), 32 status rows across 16 suites (dapper, feisty, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 17, ignored 7, not-affected 7, needs-triage 1. | https://ubuntu.com/security/CVE-2008-3949 |
Not vulnerable. This issue did not affect the versions of the emacs package, as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| suse | suse_linux | — | cpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:* |