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CVE-2018-20030
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust…
High7.5EPSS 3.8%
- Published
- Updated
- Reserved
- Assigned by
- flexera
Description
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.8% · top 10.0% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- DoS (Denial of Service) via CPU resource exhaustion
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
Flexera Software LLC · libexif
- affected 0.6.21
References (7)
- https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89 (opens in a new tab)x_refsource_MISCx_transferred
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/ (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2020:0264 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [debian-lts-announce] 20200518 [SECURITY] [DLA 2214-1] libexif security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4358-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20200528 [SECURITY] [DLA 2222-1] libexif security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2020:0793 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-20030)Record last updated .