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CVE-2023-43789

16
FAUCET Score

CVE-2023-43789 is an out-of-bounds read vulnerability in libXpm, affecting various Fedora and Red Hat Enterprise Linux products. A local attacker can exploit this boundary condition to read memory contents, resulting in a CVSS score of 5.5 (Medium) with high confidentiality impact but no integrity or availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.5.17CPE matchmatch criteria
cpe:2.3:a:libxpm_project:libxpm:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 84th percentile among its peer group of 15,937 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (6)

microsoftpatch availablevia msrc
Product: cbl2 libXpm 3.5.17-1 on CBL Mariner 2.0Fixed in: 3.5.17-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libXpm-0:3.5.12-11.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: motif-0:2.3.4-20.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libXpm-0:3.5.13-10.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: motif-0:2.3.4-28.el9
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

microsoft2023-Oct/CVE-2023-43789Moderate

Libxpm: out of bounds read on xpm with corrupted colormap

Oct 10, 2023
redhatCVE-2023-43789Moderate

libXpm: out of bounds read on XPM with corrupted colormap

Oct 4, 2023

References

lists.debian.org / debian-lts-announce/2023/10/msg00005.html
lists.fedoraproject.org / archives/list/[email protected]/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ
lists.fedoraproject.org / archives/list/[email protected]/message/I3KFUQT42R7TB4D7RISNSBQFJGLTQGUL
lists.fedoraproject.org / archives/list/[email protected]/message/TFAJTBNO3PAIA6EGZR4PN62H6RLKNDTE
lists.fedoraproject.org / archives/list/[email protected]/message/ZECBCLDYUGLDSVV75ECPIBW7JXOB3747
access.redhat.com / errata/RHSA-2024:2146
access.redhat.com / errata/RHSA-2024:2217
access.redhat.com / errata/RHSA-2024:2974
access.redhat.com / errata/RHSA-2024:3022
access.redhat.com / security/cve/CVE-2023-43789
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory