CVE-2020-18898
CVE-2020-18898 is a medium-severity vulnerability in Exiv2 with a CVSS 3.x base score of 6.5. 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-674.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-674
- Affected product: Exiv2
- Published:
- Last modified:
Description
A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.
Frequently asked questions
- What is CVE-2020-18898?
- A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.
- How severe is CVE-2020-18898?
- CVE-2020-18898 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-18898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18898?
- CVE-2020-18898 affects Exiv2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-18898 published?
- CVE-2020-18898 was published on 2021-08-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:exiv2:exiv2:0.27:-:*:*:*:*:*:*
More vulnerabilities in Exiv2
- CVE-2025-26623 — Critical (CVSS 9.8): Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image…
- CVE-2018-11531 — Critical (CVSS 9.8): Exiv2 0.26 has a heap-based buffer overflow in getData in preview.cpp.
- CVE-2023-44398 — High (CVSS 8.8): Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image…
- CVE-2019-9144 — High (CVSS 8.8): An issue was discovered in Exiv2 0.27. There is infinite recursion at BigTiffImage::printIFD in the file…
- CVE-2019-9143 — High (CVSS 8.8): An issue was discovered in Exiv2 0.27. There is infinite recursion at Exiv2::Image::printTiffStructure in the file…
- CVE-2018-14046 — High (CVSS 8.8): Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.
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