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CVE-2020-7064
Use-of-uninitialized-value in exif
Medium6.5EPSS 4.3%
- Published
- Updated
- Reserved
- Assigned by
- php
Description
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| phpCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L |
- EPSS (exploitation in 30 days)
- 4.3% · top 8.8% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
References (10)
- [debian-lts-announce] 20200426 [SECURITY] [DLA 2188-1] php5 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4330-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4330-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2020:0642 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-4717 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-4719 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugs.php.net/bug.php?id=79282 (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20200403-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/security-alerts/cpujan2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.tenable.com/security/tns-2021-14 (opens in a new tab)x_refsource_CONFIRMx_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-2020-7064)Record last updated .