CVE-2021-29366
CVE-2021-29366 is a high-severity vulnerability in Irfanview with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Irfanview
- Published:
- Last modified:
Description
A buffer overflow vulnerability in FORMATS!GetPlugInInfo+0x2de9 of Irfanview 4.57 allows attackers to execute arbitrary code via a crafted RLE file.
Frequently asked questions
- What is CVE-2021-29366?
- A buffer overflow vulnerability in FORMATS!GetPlugInInfo+0x2de9 of Irfanview 4.57 allows attackers to execute arbitrary code via a crafted RLE file.
- How severe is CVE-2021-29366?
- CVE-2021-29366 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-29366 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-29366?
- CVE-2021-29366 affects Irfanview. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-29366?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-29366 published?
- CVE-2021-29366 was published on 2021-09-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:irfanview:irfanview:4.57:*:*:*:*:*:*:*
More vulnerabilities in Irfanview
- CVE-2007-1867 — Critical (CVSS 10.0): Buffer overflow in IrfanView 3.99 allows remote attackers to execute arbitrary code via a crafted animated cursor (ANI)…
- CVE-2008-0493 — Critical (CVSS 9.3): fpx.dll 3.9.8.0 in the FlashPix plugin for IrfanView 4.10 allows remote attackers to execute arbitrary code via a…
- CVE-2007-1948 — Critical (CVSS 9.3): Buffer overflow in IrfanView 3.99 allows context-dependent attackers to cause a denial of service and possibly execute…
- CVE-2020-13905 — High (CVSS 8.8): IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000038ed4.
- CVE-2017-2813 — High (CVSS 8.8): An exploitable integer overflow vulnerability exists in the JPEG 2000 parser functionality of IrfanView 4.44. A…
- CVE-2007-2363 — High (CVSS 8.5): Buffer overflow in IrfanView 4.00 and earlier allows user-assisted remote attackers to execute arbitrary code via a…
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