Multiple integer overflows in X.org libXext 1.3.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XcupGetReservedColormapEntries, (2) XcupStoreColors, (3) XdbeGetVisualInfo, (4) XeviGetVisualInfo, (5) XShapeGetRectangles, and (6) XSyncListSystemCounters functions.
Conclusion & alert: CVE-2013-1982 is rated Moderate Risk (54.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.70%). Core evidence: EPSS rose +1.21% over the last day, indicating growing attacker interest. 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 | 0.49% | 1.70% | +1.21% |
| 2 | 2025-03-30 | 1.02% | 0.49% | -0.53% |
| 3 | 2025-03-29 | — | 1.02% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2013-1982 not yet assigned priority: Debian including 1 source packages (libxext), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2013-1982 |
gentoo
|
high | CVE-2013-1982: 1 GLSA(s) (201405-07), 1 atom(s) (x11-base/xorg-server); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1982 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2013-1982 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2013-1982/ |
ubuntu
|
medium | CVE-2013-1982 medium priority: Ubuntu including 1 source packages (libxext), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 4, pending 1. | https://ubuntu.com/security/CVE-2013-1982 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| x | libxext | <= 1.3.1 | cpe:2.3:a:x:libxext:*:*:*:*:*:*:*:* |
| x | libxext | 1.0.99.2 | cpe:2.3:a:x:libxext:1.0.99.2:*:*:*:*:*:*:* |
| x | libxext | 1.0.99.3 | cpe:2.3:a:x:libxext:1.0.99.3:*:*:*:*:*:*:* |
| x | libxext | 1.0.99.4 | cpe:2.3:a:x:libxext:1.0.99.4:*:*:*:*:*:*:* |
| x | libxext | 1.1 | cpe:2.3:a:x:libxext:1.1:*:*:*:*:*:*:* |
| x | libxext | 1.1.1 | cpe:2.3:a:x:libxext:1.1.1:*:*:*:*:*:*:* |
| x | libxext | 1.1.2 | cpe:2.3:a:x:libxext:1.1.2:*:*:*:*:*:*:* |
| x | libxext | 1.2.0 | cpe:2.3:a:x:libxext:1.2.0:*:*:*:*:*:*:* |
| x | libxext | 1.3.0 | cpe:2.3:a:x:libxext:1.3.0:*:*:*:*:*:*:* |