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CVE-2026-40492: Out-of-bounds Write

🗓️ 18 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 5 Views

Out-of-bounds Write in SAIL XWD codec allows memory corruption via incorrect byte-swap.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40492
18 Apr 202601:39
–attackerkb
circl
Circl
CVE-2026-40492
18 Apr 202605:18
–circl
cnnvd
CNNVD
SAIL security vulnerabilities
18 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-40492
18 Apr 202601:39
–cve
cvelist
Cvelist
CVE-2026-40492 SAIL has heap buffer overflow in XWD decoder — bits_per_pixel vs pixmap_depth type confusion in byte-swap
18 Apr 202601:39
–cvelist
debiancve
Debian CVE
CVE-2026-40492
18 Apr 202601:39
–debiancve
euvd
EUVD
EUVD-2026-23644
18 Apr 202601:39
–euvd
mend
Mend
CVE-2026-40492
18 Apr 202601:39
–mend
nvd
NVD
CVE-2026-40492
18 Apr 202603:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-40492
18 Apr 202603:16
–osv_debian
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20 Apr 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.19.8
EPSS0.00553
SSVC
5