Use After Free in Openexr
CVE-2020-15305
An issue was discovered in OpenEXR before 2.5.2. Invalid input could cause a use-after-free in DeepScanLineInputFile::DeepScanLineInputFile() in IlmImf/ImfDeepScanLineInputFile.cpp.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Openexr
- Canonical Ubuntu Linux — versions 16.04, 18.04, 19.10
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 31, 32
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.5.2 (Third Party Advisory, Release Notes)
- github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md (Third Party Advisory, Release Notes)
- github.com/AcademySoftwareFoundation/openexr/blob/master/SECURITY.md (Third Party Advisory)
- github.com/AcademySoftwareFoundation/openexr/pull/730 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4418-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00025.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00048.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4755 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15305?
- CVE-2020-15305 is a medium-severity vulnerability in Openexr, classified under Use After Free. CVSS score: 5.5/10. Published 2020-06-26.
- How severe is CVE-2020-15305?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-15305 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.