A heap-based buffer over-read or buffer overflow vulnerability in FASTSHIFT/X-TRACK

published 2026-01-27 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-4804

cvss: 10.0; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT X-TRACK (Software/X-Track/USER/App/Utils/lv_img_png/PNGdec/src modules). This vulnerability is associated with program files inflate.C.

This issue affects X-TRACK: through v2.7.

Patch / fix

links 1

github.com/FASTSHIFT/X-TRACK#120 pull request

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 9 mo ago (2026-01-27)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	10.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Red
CNA	4.0	10.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:L/U:Red

Affected products

FASTSHIFT X-TRACK

Classification

Weakness

CWE-787 Out-of-bounds Write
CWE-120 Buffer Copy without Checking Size of Input

References

github.com /FASTSHIFT/X-TRACK/pull/120
patch

Sources

CVE List CVE-2026-24823
NVD CVE-2026-24823

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary