CVE-2020-19131
CVE-2020-19131 is a high-severity vulnerability in Simplesystems Libtiff with a CVSS 3.x base score of 7.5. 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 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Simplesystems Libtiff
- Published:
- Last modified:
Description
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "invertImage()" function in the component "tiffcrop".
Frequently asked questions
- What is CVE-2020-19131?
- Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "invertImage()" function in the component "tiffcrop".
- How severe is CVE-2020-19131?
- CVE-2020-19131 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-19131 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-19131?
- CVE-2020-19131 primarily affects Simplesystems Libtiff. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-19131?
- 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-2020-19131 published?
- CVE-2020-19131 was published on 2021-09-07 and last updated on 2026-06-17.
References
- http://blog.topsec.com.cn/%E5%A4%A9%E8%9E%8D%E4%BF%A1%E5%85%B3%E4%BA%8Elibtiff%E4%B8%ADinvertimage%E5%87%BD%E6%95%B0%E5%A0%86%E6%BA%A2%E5%87%BA%E6%BC%8F%E6%B4%9E%E7%9A%84%E5%88%86%E6%9E%90/
- http://bugzilla.maptools.org/show_bug.cgi?id=2831
- https://lists.debian.org/debian-lts-announce/2021/10/msg00004.html
Affected products (2)
- cpe:2.3:a:simplesystems:libtiff:4.0.10:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
More vulnerabilities in Simplesystems Libtiff
- CVE-2020-19144 — Medium (CVSS 6.5): Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the 'in _TIFFmemcpy' funtion in…
- CVE-2020-19143 — Medium (CVSS 6.5): Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the…
All CVEs affecting Simplesystems Libtiff →
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