close_altfile in filename.c in less before 606 omits shell_quote calls for LESSCLOSE.
Conclusion & alert: CVE-2022-48624 is rated Moderate Risk (55.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.58%). 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 | 2026-04-30 | 0.53% | 0.58% | +0.05% |
| 2 | 2026-03-09 | 0.34% | 0.53% | +0.19% |
| 3 | 2026-01-27 | — | 0.34% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2022-48624 not yet assigned priority: Debian including 1 source packages (less), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2022-48624 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2022-48624 |
suse
|
high | CVE-2022-48624 severity important: SUSE including 256 source package names (11-24.1:less-590-150400.3.6.2, 13.2-2.2.200:less-590-150400.3.6.2, …), 453 product×package rows across 218 product lines (Container bci/golang, Container bci/nodejs, … (218 product lines)): Fixed 251, Known Affected 200, Known Not Affected 2. | https://www.suse.com/security/cve/CVE-2022-48624/ |
ubuntu
|
medium | CVE-2022-48624 medium priority: Ubuntu including 1 source packages (less), 11 status rows across 11 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 11. | https://ubuntu.com/security/CVE-2022-48624 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| greenwoodsoftware | less | < 606 | cpe:2.3:a:greenwoodsoftware:less:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/gwsw/less/commit/c6ac6de49698be84d264a0c4c0c40bb870b10144 | Patch |
| https://github.com/gwsw/less/compare/v605...v606 | Patch |
| https://greenwoodsoftware.com/less/ | Release Notes |
| https://lists.debian.org/debian-lts-announce/2024/05/msg00018.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20240605-0010/ | Third Party Advisory |