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libexpatUse After Free

Risk 74
Severity
7.8
Use After Free
AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Last updated 24 September 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-76957

libexpatLast updated 24 September 2026

Risk 38
Severity
6.2
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Last updated 24 September 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-72522

libexpatNull Pointer Dereference

Risk 25
Severity
5.5
EPSS
0.01%
Null Pointer Dereference
AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U

Last updated 21 September 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-32778

libexpatLast updated 21 September 2026

Risk 25
Severity
5.5
EPSS
0.01%
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U

Last updated 21 September 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-32777

libexpatlibexpat 2.7.4 fixes CVE-2026-24515 and CVE-2026-25210

Risk 54
Severity
7.8
EPSS
0.01%
Integer Overflow
AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.

First published (updated )
CVE-2026-25210

libexpatlibexpat 2.7.4 fixes CVE-2026-24515 and CVE-2026-25210

Risk 13
Severity
2.9
EPSS
0.01%
Null Pointer Dereference
AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data.

First published (updated )
CVE-2026-24515

Libexpat Project LibexpatLast updated 24 July 2024

Risk 23
Severity
4.3
AV:N/AC:M/Au:N/C:N/I:N/A:P

Last updated 24 July 2024

1 / 3
Source: Ubuntu
First published (updated )
CVE-2012-0876

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