JLSEC-2026-380

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...

CLSA-2026-1773928447 expat: Fix of CVE-2026-25210

CVE-2026-25210: fix integer overflow in tag buffer reallocation in doContent function...

CLSA-2026-1774283473 Fix CVE(s): CVE-2026-25210

SECURITY UPDATE: Improve determination of buffer size bufSize in function doContent - debian/patches/CVE-2026-25210.patch: fix integer overflow in doContent tag buffer reallocation - CVE-2026-25210...

CLSA-2026-1774021165 expat: Fix of CVE-2026-25210

CVE-2026-25210: fix memory corruption via integer overflow in doContent function during tag buffer reallocation...

CLSA-2026-1773927217 expat: Fix of CVE-2026-25210

CVE-2026-25210: fix integer overflow in tag buffer reallocation in doContent function...

CLSA-2026-1773926416 expat: Fix of CVE-2026-25210

CVE-2026-25210: fix integer overflow in tag buffer reallocation in doContent function...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the doContent function in xmlparse.c. An attacker can cause memory corruption or potentially execute arbitrary code by providing specially crafted input that triggers an integer overflow. Remediation...

CVE-2026-25210

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...

CVE-2026-25210

CVE-2026-25210 affects libexpat prior to 2.7.4, where doContent may miscompute bufSize due to missing integer overflow check during tag buffer reallocation. Multiple connected sources confirm the issue and reference a fix in updated expat releases; remediation is to update to a version including ...

Huawei EulerOS: Security Advisory for expat (EulerOS-SA-2023-1501)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2022:6998)

The remote Scientific Linux 7 host has packages installed that are affected by a vulnerability as referenced in the SLSA-2022:6998-1 advisory. - expat: a use-after-free in the doContent function in xmlparse.c CVE-2022-40674 Note that Nessus has not tested for this issue but has instead relied onl...

expat: a use-after-free in the doContent function in xmlparse.c

A vulnerability was found in expat. With this flaw, it is possible to create a situation in which parsing is suspended while substituting in an internal entity so that XMLResumeParser directly uses the internalEntityProcessor as its processor. If the subsequent parse includes some unclosed tags,...

expat: a use-after-free in the doContent function in xmlparse.c

A vulnerability was found in expat. With this flaw, it is possible to create a situation in which parsing is suspended while substituting in an internal entity so that XMLResumeParser directly uses the internalEntityProcessor as its processor. If the subsequent parse includes some unclosed tags,...

expat: a use-after-free in the doContent function in xmlparse.c

A vulnerability was found in expat. With this flaw, it is possible to create a situation in which parsing is suspended while substituting in an internal entity so that XMLResumeParser directly uses the internalEntityProcessor as its processor. If the subsequent parse includes some unclosed tags,...

expat: a use-after-free in the doContent function in xmlparse.c

A vulnerability was found in expat. With this flaw, it is possible to create a situation in which parsing is suspended while substituting in an internal entity so that XMLResumeParser directly uses the internalEntityProcessor as its processor. If the subsequent parse includes some unclosed tags,...

expat: a use-after-free in the doContent function in xmlparse.c

A vulnerability was found in expat. With this flaw, it is possible to create a situation in which parsing is suspended while substituting in an internal entity so that XMLResumeParser directly uses the internalEntityProcessor as its processor. If the subsequent parse includes some unclosed tags,...

Important: Red Hat Security Advisory: expat security update

An update for expat is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

expat: a use-after-free in the doContent function in xmlparse.c

A vulnerability was found in expat. With this flaw, it is possible to create a situation in which parsing is suspended while substituting in an internal entity so that XMLResumeParser directly uses the internalEntityProcessor as its processor. If the subsequent parse includes some unclosed tags,...

Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: expat: a use-after-free in the doContent function in xmlparse.c CVE-2022-40674 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages...

RHEL 8 : expat (RHSA-2022:6878)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:6878 advisory. Expat is a C library for parsing XML documents. Security Fixes: expat: a use-after-free in the doContent function in xmlparse.c CVE-2022-40674 For mo...