CVE-2018-9303
CVE-2018-9303 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-617.
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-617
- Affected product: Exiv2
- Published:
- Last modified:
Description
In Exiv2 0.26, an assertion failure in BigTiffImage::readData in bigtiffimage.cpp results in an abort.
Frequently asked questions
- What is CVE-2018-9303?
- In Exiv2 0.26, an assertion failure in BigTiffImage::readData in bigtiffimage.cpp results in an abort.
- How severe is CVE-2018-9303?
- CVE-2018-9303 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-2018-9303 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-2018-9303?
- CVE-2018-9303 affects Exiv2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-9303?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-9303 published?
- CVE-2018-9303 was published on 2018-04-04 and last updated on 2026-06-17.
References
- https://github.com/xiaoqx/pocs/blob/master/exiv2/readme.md
- https://security.gentoo.org/glsa/201811-14
Affected products (1)
- cpe:2.3:a:exiv2:exiv2:*:*:*:*:*:*:*:*
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.
Other CWE-617 (Reachable Assertion) vulnerabilities
- CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
- CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
- CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
- CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
- CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
- CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.