MEDIUM
CVE-2023-26974
CWE-119Published: April 4, 2023· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
Irfanview v4.62 allows a user-mode write access violation via a crafted JPEG 2000 file starting at JPEG2000+0x0000000000001bf0.
Technical Analysis
CVE-2023-26974 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
irfanview1 product(s)
irfanview
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://github.com/overXsky/IrfanviewPocExploit · Third Party Advisory
→
https://github.com/overXsky/IrfanviewPocExploit · Third Party Advisory
Quick Facts
CVE IDCVE-2023-26974
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedApr 4, 2023
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-26974 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.