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CVE-2023-37536

24
FAUCET Score

CVE-2023-37536 is an integer overflow vulnerability in xerces-c++ 3.2.3, affecting products like Apache Xerces-C++, HCLTech BigFix Platform, and Fedora. This flaw allows remote attackers to trigger out-of-bounds memory access via specially crafted HTTP requests. With a CVSS score of 8.8 (High), it presents a significant risk, enabling potential compromise of confidentiality, integrity, and availability with low attack complexity and requiring only low privileges. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.3CPE matchmatch criteria
cpe:2.3:a:apache:xerces-c\+\+:3.2.3:*:*:*:*:*:*:*
>= 9.0.0, < 9.5.23CPE matchmatch criteria
cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.0.10CPE matchmatch criteria
cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
5.3
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.38%
Probability of exploitation in next 30 days
EPSS Percentile
69.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0138 is in the 66th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: xerces-c-0:3.1.1-10.el7_9.1
View patch

Vendor Advisories (1)

redhatCVE-2023-37536Important

xerces-c: An integer overflow issue that allows remote attackers to cause out-of-bound access via HTTP request

Oct 11, 2023

References

lists.debian.org / debian-lts-announce/2023/12/msg00027.html
lists.fedoraproject.org / archives/list/[email protected]/message/7A6WWL4SWKAVYK6VK5YN7KZP4MZWC7IY
lists.fedoraproject.org / archives/list/[email protected]/message/AJYZUBGPVWJ7LEHRCMB5XVADQBNGURXD
lists.fedoraproject.org / archives/list/[email protected]/message/DAOSSJ72CUJ535VRWTCVQKUYT2LYR3OM
Mailing ListThird Party Advisory
support.hcltechsw.com / csm
Vendor Advisory