CVE-2023-37536: An integer overflow in xerces-c++ 3.2.3 in BigFix Platform allows remote attackers to cause out-of-bound acces

This month

HIGH 8.2WATCHLISTDOWNGRADEUPGRADEMITIGATE

CVE-2023-37536 is a high-severity flaw (CVSS 8.2) affecting xerces-c\+\+, bigfix platform, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An integer overflow in xerces-c++ 3.2.3 in BigFix Platform allows remote attackers to cause out-of-bound access via HTTP request.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-190, CWE-680
Published	2023-10-11
Last modified	2026-06-17

Publisher (CNA): HCL Software · Vendor: apache · fedoraproject · hcltech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-11 07:15 UTCPublished CVE record published
2026-06-17 06:08 UTCUpdated Record last modified

apache xerces-c\+\+ DOWNGRADE

Affected: 3.2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.3

1. Check installed version

apt-cache policy xerces-c++ || rpm -q xerces-c++ || xerces-c++ --version

2. No fixed release: DOWNGRADE to a release before 3.2.3 (Debian / Ubuntu)

apt-cache madison xerces-c++ sudo apt install xerces-c++=<VERSION_BEFORE_3.2.3> sudo apt-mark hold xerces-c++

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list xerces-c++ sudo dnf downgrade xerces-c++-<VERSION_BEFORE_3.2.3> sudo dnf versionlock add xerces-c++

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

hcltech bigfix platform UPGRADE

Affected: >= 9.0.0 and < 9.5.23 · >= 10.0.0 and < 10.0.10

Fixed in: 9.5.23, 10.0.10

Safe to downgrade to: a release before 9.0.0

1. Check installed version

apt-cache policy bigfix-platform || rpm -q bigfix-platform || bigfix-platform --version

2. UPGRADE to 9.5.23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bigfix-platform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bigfix-platform

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 9.0.0 (Debian / Ubuntu)

apt-cache madison bigfix-platform sudo apt install bigfix-platform=<VERSION_BEFORE_9.0.0> sudo apt-mark hold bigfix-platform

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bigfix-platform sudo dnf downgrade bigfix-platform-<VERSION_BEFORE_9.0.0> sudo dnf versionlock add bigfix-platform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

fedoraproject fedora MITIGATE

Affected: 37

Fixed in: no fixed release known

Safe to downgrade to: a release before 37

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-37536?

xerces-c\+\+: downgrade or apply the listed mitigation; bigfix platform: upgrade to 9.5.23, 10.0.10; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-37536 being exploited?

CVE-2023-37536 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-37536 affect?

CVE-2023-37536 affects xerces-c\+\+, bigfix platform, fedora. Severity is high (CVSS 8.2). An integer overflow in xerces-c++ 3.2.3 in BigFix Platform allows remote attackers to cause out-of-bound access via HTTP request.

How urgent is CVE-2023-37536?

Priority 54/100. High severity; On your watchlist

Related CVEs

CVE-2024-23807 CRITICAL 9.8 UPGRADE The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered duri

References

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