CVE-2023-43788

Libxpm: out of bounds read in xpmcreatexpmimagefrombuffer()

MEDIUM
5.5
CVSS Score
Published: October 10, 2023 at 12:26 PM UTC
Updated: June 17, 2026 at 06:26 AM UTC
3 products affected across 3 vendorsFedoraEnterprise LinuxLibxpm

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A vulnerability was found in libXpm due to a boundary condition within the XpmCreateXpmImageFromBuffer() function. This flaw allows a local attacker to trigger an out-of-bounds read error and read the contents of memory on the system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 0:2.3.4-20.el8 (unaffected)
Vendor states this is fixed in 0:2.3.4-28.el9 (unaffected)
Vendor states this is fixed in 0:3.5.12-11.el8 (unaffected)
Vendor states this is fixed in 0:3.5.13-10.el9 (unaffected)
Vendor states this is fixed in 6 (unknown)
Vendor states this is fixed in 7 (unknown)
v < 3.5.17
Affected range stops below 3.5.17, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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