The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.
Conclusion & alert: CVE-2007-2026 is rated Moderate Risk (57.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.09%). 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 | 3.70% | 2.09% | -1.61% |
| 2 | 2026-05-07 | 2.97% | 3.70% | +0.72% |
| 3 | 2026-01-29 | — | 2.97% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2007-2026 low priority: Debian including 1 source packages (file), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-2026 |
gentoo
|
normal | CVE-2007-2026: 2 GLSA(s) (200704-13, 201412-11), 2 atom(s) (app-emulation/emul-linux-x86-baselibs, sys-apps/file); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-2026 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2007-2026 |
ubuntu
|
medium | CVE-2007-2026 medium priority: Ubuntu including 1 source packages (file), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. | https://ubuntu.com/security/CVE-2007-2026 |
Not vulnerable. These issues did not affect the versions of file as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| amavis | virus_scanner | — | cpe:2.3:a:amavis:virus_scanner:*:*:*:*:*:*:*:* |
| gentoo | file | 4.20 | cpe:2.3:a:gentoo:file:4.20:*:*:*:*:*:*:* |