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PYSEC-2026-3010 pypdf: Inefficient decoding of FlateDecode PNG predictor streams

🗓️ 13 Jul 2026 15:46:17Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

pypdf vulnerability in FlateDecode predictor streams causes long runtimes; fixed in version 6.12.2.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-49460
22 Jun 202620:28
–attackerkb
CVE		CVE-2026-49460
22 Jun 202620:28
–cve
Cvelist		CVE-2026-49460 pypdf: Inefficient decoding of FlateDecode PNG predictor streams
22 Jun 202620:28
–cvelist
Debian CVE		CVE-2026-49460
22 Jun 202620:28
–debiancve
EUVD		EUVD-2026-38357
22 Jun 202620:28
–euvd
Github Security Blog		pypdf: Inefficient decoding of FlateDecode PNG predictor streams
16 Jun 202613:46
–github
NVD		CVE-2026-49460
22 Jun 202621:16
–nvd
OSV		CLEANSTART-2026-EH47852 Security fixes for CVE-2026-34180, CVE-2026-48155, CVE-2026-48156, CVE-2026-48522, CVE-2026-48523, CVE-2026-48524, CVE-2026-48525, CVE-2026-48526, CVE-2026-48710, CVE-2026-48735, CVE-2026-48817, CVE-2026-48818, CVE-2026-49460, CVE-2026-49461, CVE-2026-53537, CVE-2026-53538, CVE-2026-53539, CVE-2026-53540, CVE-2026-54282, CVE-2026-54283, CVE-2026-54530, CVE-2026-54531, CVE-2026-54651, CVE-2026-57204, CVE-2026-59935, CVE-2026-59936, CVE-2026-59937, CVE-2026-59938, ghsa-537c-gmf6-5ccf, ghsa-jm82-fx9c-mx94 applied in versions: 1.85.1-r0, 1.89.5-r0, 1.90.2-r0
21 Jul 202607:54
–osv
OSV		CLEANSTART-2026-GN02455 Security fixes for CVE-2026-34180, CVE-2026-48155, CVE-2026-48156, CVE-2026-48522, CVE-2026-48523, CVE-2026-48524, CVE-2026-48525, CVE-2026-48526, CVE-2026-48710, CVE-2026-48735, CVE-2026-48817, CVE-2026-48818, CVE-2026-49460, CVE-2026-49461, CVE-2026-53537, CVE-2026-53538, CVE-2026-53539, CVE-2026-53540, CVE-2026-54282, CVE-2026-54283, CVE-2026-54530, CVE-2026-54531, CVE-2026-54651, CVE-2026-57204, CVE-2026-59935, CVE-2026-59936, CVE-2026-59937, CVE-2026-59938, ghsa-537c-gmf6-5ccf, ghsa-jm82-fx9c-mx94 applied in versions: 1.85.1-r0, 1.88.5-r0, 1.90.2-r0
21 Jul 202607:54
–osv
OSV		CVE-2026-49460 pypdf: Inefficient decoding of FlateDecode PNG predictor streams
22 Jun 202620:28
–osv
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13 Jul 2026 16:33Current
6Medium risk
Vulners AI Score6
CVSS 45.1
EPSS0.00117
pypdfflate decodepredictor streamslong runtimessecurity fixversion six twelve
1