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T-41M
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-2026-76641
Expat Out-of-Bounds Read via dtdCopy
High
PUBLISHED
CNA: VulnCheck
Base score
8.7
CVSS v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
View raw JSON
CVE Program record
02
Description
CNA: VulnCheck
Expat Out-of-Bounds Read via dtdCopy
03
Metadata
SCHEMA: 5.2
Published
2026-08-20 17:31Z
1 DAY AGO
Last updated
2026-08-20 18:49Z
1 DAY AGO
Reserved
2026-08-19
Assigning CNA
VulnCheck
Record state
PUBLISHED
Severity
High (CVSS 8.7)
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
CWE-125
Out-of-bounds Read
Base
SSVC decision
Exploitation
none
Automatable
yes
Technical Impact
partial
Data version
5.2
Document digest
68af506ba578aec88a39990b45892e78a89212fddc224a8a36ed01a74fc0364f
04
Affected products
PAIRS: 1
Vendor
Product
Versions
Platforms
libexpat
libexpat
0 to 2.8.3
—
05
References
REFS: 3
github.com
Pull Request
https://github.com/libexpat/libexpat/pull/1331
issue-tracking
github.com
Patch Commit
https://github.com/libexpat/libexpat/commit/98599f6dcc2b460410881fe420f5f55d6bec63bf
patch
www.vulncheck.com
https://www.vulncheck.com/advisories/expat-out-of-bounds-read-via-dtdcopy
third-party-advisory