HIGH
CVE-2026-41254
CWE-696Published: April 18, 2026· Updated: Apr 22, 2026
7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.4th
Official Description
Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication.
Technical Analysis
CVE-2026-41254 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
littlecms1 product
little cms
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (5)
→
https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/Exploit · Third Party Advisory
→
https://www.openwall.com/lists/oss-security/2026/04/17/16Mailing List · Third Party Advisory
Quick Facts
CVE IDCVE-2026-41254
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-696
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 18, 2026
Related CVEs (CWE-696)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-41254 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.