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CVE-2026-27809: Improper Handling of Highly Compressed Data (Data Amplification)

🗓️ 26 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Uncaught ValueError in psd-tools prior to 1.12.2 via malformed RLE data causes a crash.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27809
25 Feb 202623:57
–attackerkb
circl
Circl
CVE-2026-27809
26 Feb 202617:40
–circl
cnnvd
CNNVD
psd-tools 安全漏洞
26 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-27809
25 Feb 202623:57
–cve
cvelist
Cvelist
CVE-2026-27809 psd-tools: Compression module has unguarded zlib decompression, missing dimension validation, and hardening gaps
25 Feb 202623:57
–cvelist
debiancve
Debian CVE
CVE-2026-27809
25 Feb 202623:57
–debiancve
euvd
EUVD
EUVD-2026-8781
26 Feb 202615:20
–euvd
github
Github Security Blog
psd-tools: Compression module has unguarded zlib decompression, missing dimension validation, and hardening gaps
26 Feb 202615:20
–github
nvd
NVD
CVE-2026-27809
26 Feb 202600:16
–nvd
osv
OSV
DEBIAN-CVE-2026-27809
26 Feb 202600:16
–osv
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02 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 48.8
CVSS 3.19.1
EPSS0.00687
SSVC
0