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NVD
NVD
added 2026/09/05 5:17 a.m.7 views

CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

7.3CVSS0.00127EPSS
SaveExploits1References3
OSV
OSV
added 2026/09/05 5:17 a.m.9 views

AZL-99711 CVE-2026-86138 affecting package libxml2 for versions less than 2.11.5-11

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...

7.8CVSS6.2AI score0.00125EPSS
SaveExploits0References1
NVD
NVD
added 2026/09/05 5:17 a.m.9 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

7.8CVSS0.00113EPSS
SaveExploits0References2
OSV
OSV
added 2026/09/05 5:17 a.m.10 views

AZL-99714 CVE-2026-86139 affecting package libxml2 2.11.5-10

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

7.8CVSS5.8AI score0.00113EPSS
SaveExploits0References1
NVD
NVD
added 2026/09/05 5:17 a.m.6 views

CVE-2026-86138

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...

7.8CVSS0.00125EPSS
SaveExploits0References2
UbuntuCve
UbuntuCve
added 2026/09/05 5:17 a.m.9 views

CVE-2026-86138

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...

7.8CVSS6.1AI score0.00125EPSS
SaveExploits0References1
OSV
OSV
added 2026/09/05 5:17 a.m.9 views

UBUNTU-CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

7.8CVSS5.8AI score0.00113EPSS
SaveExploits0References2
OSV
OSV
added 2026/09/05 5:17 a.m.7 views

UBUNTU-CVE-2026-86138

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...

7.8CVSS6.2AI score0.00125EPSS
SaveExploits0References2
UbuntuCve
UbuntuCve
added 2026/09/05 5:17 a.m.7 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

7.8CVSS5.8AI score0.00113EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
added 2026/09/05 4:31 a.m.7 views

CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

6.9CVSS5.8AI score0.00127EPSS
SaveExploits1References3
CVE
CVE
added 2026/09/05 4:31 a.m.29 views

CVE-2026-86143

libxml2 before 2.15.4 has an integer overflow in the xmlIO module. An inconsistency between xmlOutputWriteCallback and xmlBufUse causes negative length values to reach downstream write callbacks when data backlogs exceed maximum integer limits (approximately 2 GiB ). This can lead to data corrupt...

7.3CVSS5.3AI score0.00127EPSS
SaveExploits1References3Affected Software1
Cvelist
Cvelist
added 2026/09/05 4:31 a.m.103 views

CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

6.9CVSS0.00127EPSS
SaveExploits1References3
OSV
OSV
added 2026/09/05 4:31 a.m.5 views

CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

6.9CVSS5.9AI score
SaveExploits0References5
EUVD
EUVD
added 2026/09/05 4:31 a.m.11 views

EUVD-2026-71822

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

6.9CVSS5.3AI score0.00127EPSS
SaveExploits1References3
AlpineLinux
AlpineLinux
added 2026/09/05 4:31 a.m.9 views

CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

7.3CVSS5.8AI score0.00127EPSS
SaveExploits1References3
Debian CVE
Debian CVE
added 2026/09/05 4:23 a.m.17 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

7.8CVSS5.8AI score0.00113EPSS
SaveExploits0
OSV
OSV
added 2026/09/05 4:23 a.m.7 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

6.9CVSS5.9AI score
SaveExploits0References4
Vulnrichment
Vulnrichment
added 2026/09/05 4:23 a.m.7 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

6.9CVSS5.8AI score0.00113EPSS
SaveExploits0References2
AlpineLinux
AlpineLinux
added 2026/09/05 4:23 a.m.9 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

7.8CVSS5.8AI score0.00113EPSS
SaveExploits0References2
Cvelist
Cvelist
added 2026/09/05 4:23 a.m.108 views

CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

6.9CVSS0.00113EPSS
SaveExploits0References2
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