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osv_ubuntu
osv_ubuntu
•added 2026/06/21 4:16 p.m.•18 views

UBUNTU-CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References4
UbuntuCve
UbuntuCve
•added 2026/06/21 4:16 p.m.•23 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References3
CVE
CVE
•added 2026/06/21 3:49 p.m.•160 views

CVE-2026-56407

CVE-2026-56407 affects libexpat prior to 2.8.2, with an integer overflow in doProlog related to storeEntityValue and entity textLen. The NVD entries confirm the issue and describe the vulnerability as an integer overflow in doProlog. The CVE entry indicates a medium base score (CVSS 3.1: AV=L, AC...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References1Affected Software1
Mend
Mend
•added 2026/06/21 3:49 p.m.•7 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

7.5CVSS6AI score0.00174EPSS
SaveExploits0References3
Cvelist
Cvelist
•added 2026/06/21 3:49 p.m.•83 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS0.00174EPSS
SaveExploits0References1
EUVD
EUVD
•added 2026/06/21 3:49 p.m.•25 views

EUVD-2026-38184

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
•added 2026/06/21 3:49 p.m.•22 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References1
osv_cve
osv_cve
•added 2026/06/21 3:49 p.m.•20 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score
SaveExploits0References3
attackerkb
attackerkb
•added 2026/06/21 3:49 p.m.•17 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References2
Debian CVE
Debian CVE
•added 2026/06/21 3:49 p.m.•24 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0
AlpineLinux
AlpineLinux
•added 2026/06/21 3:49 p.m.•33 views

CVE-2026-56407

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0
Positive Technologies
Positive Technologies
•added 2026/06/21 12:00 a.m.•24 views

PT-2026-51243

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow occurs in the doProlog function, specifically related to storeEntityValue and the entity textLen variable. An integer overflow is a condition where an arithmetic operation attemp...

9.6CVSS5.9AI score0.00462EPSS
SaveExploits0References195
Rapid7 Vulnerability Database (full)
Rapid7 Vulnerability Database (full)
•added 2026/06/21 12:00 a.m.•8 views

CVE-2026-56407: Integer Overflow or Wraparound

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

6.9CVSS6AI score0.00174EPSS
SaveExploits0References3
SUSE CVE
SUSE CVE
•added 2026/06/20 2:28 a.m.•25 views

SUSE CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

6.9CVSS6.3AI score0.00135EPSS
SaveExploits0References16
osv_azl
osv_azl
•added 2026/06/19 6:17 a.m.•17 views

AZL-90243 CVE-2026-56132 affecting package expat for versions less than 2.8.2-1

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

6.9CVSS6.3AI score0.00135EPSS
SaveExploits0References1
osv_alpine
osv_alpine
•added 2026/06/19 6:17 a.m.•31 views

ALPINE-CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

6.9CVSS6.3AI score0.00135EPSS
SaveExploits0References1
NVD
NVD
•added 2026/06/19 6:17 a.m.•29 views

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

6.9CVSS0.00135EPSS
SaveExploits0References1
UbuntuCve
UbuntuCve
•added 2026/06/19 6:17 a.m.•18 views

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

6.9CVSS6.3AI score0.00135EPSS
SaveExploits0References3
Snyk
Snyk
•added 2026/06/19 5:03 a.m.•38 views

Incorrect Synchronization

Overview Affected versions of this package are vulnerable to Incorrect Synchronization in the doProlog function in xmlparse.c due to improper handling of scaffold backing array reallocation when data structures are shared across multiple parsers. An attacker can achieve arbitrary code execution o...

7.5CVSS6.8AI score0.00135EPSS
SaveExploits0References2
Mend
Mend
•added 2026/06/19 3:00 a.m.•6 views

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

7.5CVSS6.3AI score0.00135EPSS
SaveExploits0References3
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