A flaw was found in libXpm. When processing files with .Z or .gz extensions, the library calls external programs to compress and uncompress files, relying on the PATH environment variable to find these programs, which could allow a malicious user to execute other programs by manipulating the PATH environment variable.
Conclusion & alert: CVE-2022-4883 is rated Moderate Risk (49/100): CVSS High severity, with low exploitation likelihood (EPSS 0.19%). 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 | 2025-11-21 | 0.57% | 0.19% | -0.38% |
| 2 | 2025-11-18 | 0.22% | 0.57% | +0.35% |
| 3 | 2025-03-30 | — | 0.22% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2022-4883: 1 source package rows (libxpm); 7 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 0. | https://security.alpinelinux.org/vuln/CVE-2022-4883 |
debian
|
not yet assigned | CVE-2022-4883 not yet assigned priority: Debian including 1 source packages (libxpm), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2022-4883 |
gentoo
|
normal | CVE-2022-4883: 1 GLSA(s) (202408-03), 1 atom(s) (x11-libs/libXpm); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-4883 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2022-4883 |
suse
|
high | CVE-2022-4883 severity important: SUSE including 261 source package names (1.1.0-1.1:libXpm4-3.5.12-150000.3.7.2, 1.21-14.14:libXpm4-3.5.12-150000.3.7.2, …), 474 product×package rows across 164 product lines (Container private-registry/harbor-nginx, Container private-registry/harbor-portal, … (164 product lines)): Fixed 243, Known Affected 231. | https://www.suse.com/security/cve/CVE-2022-4883/ |
ubuntu
|
medium | CVE-2022-4883 medium priority: Ubuntu including 2 source packages (libxpm, motif), 26 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 8, released 7, ignored 5, not-affected 5, needed 1. | https://ubuntu.com/security/CVE-2022-4883 |