CVE-2017-17723
CVE-2017-17723 is a high-severity vulnerability in Exiv2 with a CVSS 3.x base score of 8.1. 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-125.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Exiv2
- Published:
- Last modified:
Description
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.
Frequently asked questions
- What is CVE-2017-17723?
- In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.
- How severe is CVE-2017-17723?
- CVE-2017-17723 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2017-17723 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-17723?
- CVE-2017-17723 affects Exiv2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-17723?
- 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-2017-17723 published?
- CVE-2017-17723 was published on 2018-02-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:exiv2:exiv2:0.26:*:*:*:*:*:*:*
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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- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…