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01
Record
STATE: —
02
Description
SRC: CNA
03
Metadata
SCHEMA: CVE JSON 5
04
Affected products
PAIRS: —
05
References
REFS: —
01
Record
STATE: PUBLISHED
CVE-2026-77220
PDFio < 1.6.5 Dangling Pointer via Dictionary String-Formatting
High
PUBLISHED
CNA: VulnCheck
Base score
7.1
CVSS v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
View raw JSON
CVE Program record
02
Description
CNA: VulnCheck
PDFio < 1.6.5 Dangling Pointer via Dictionary String-Formatting
03
Metadata
SCHEMA: 5.2
Published
2026-08-21 20:54Z
4 HR AGO
Last updated
2026-08-21 20:54Z
4 HR AGO
Reserved
2026-08-20
Assigning CNA
VulnCheck
Record state
PUBLISHED
Severity
High (CVSS 7.1)
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weaknesses
CWE-825
Expired Pointer Dereference
Base
SSVC decision
No CISA-ADP assessment
Data version
5.2
Document digest
2893d2ff9a205f66af070568e6b5523fa029307addc386be0ffe8ec3c95d6e1f
04
Affected products
PAIRS: 1
Vendor
Product
Versions
Platforms
michaelrsweet
pdfio
0 to < 1.6.5
—
05
References
REFS: 3
github.com
Release Notes
https://github.com/michaelrsweet/pdfio/releases/tag/v1.6.5
release-notes
github.com
Patch Commit
https://github.com/michaelrsweet/pdfio/commit/22b9afc800c5833f9e851e35938972bd4c76a357
patch
www.vulncheck.com
https://www.vulncheck.com/advisories/pdfio-dangling-pointer-via-dictionary-string-formatting
third-party-advisory