Vulnerability in Leptonica
CVE-2020-36277
Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Leptonica
- Linux Kernel
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.chromium.org/p/oss-fuzz/issues/detail (Exploit, Third Party Advisory, Issue Tracking)
- github.com/DanBloomberg/leptonica/pull/499 (Patch, Third Party Advisory)
- github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0 (Patch, Third Party Advisory, Release Notes)
- lists.debian.org/debian-lts-announce/2021/03/msg00037.html (mailing-list, Mailing List, 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)
- security.gentoo.org/glsa/202107-53 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36277?
- CVE-2020-36277 is a high-severity vulnerability in Leptonica, classified under Always-Incorrect Control Flow Implementation. CVSS score: 7.5/10. Published 2021-03-11.
- How severe is CVE-2020-36277?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-36277 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.