Out-of-bounds Read in Apache Bookkeeper
CVE-2020-23922
An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.022 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Apache Bookkeeper — versions 4.12.1
- Giflib Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceforge.net/p/giflib/bugs/151/ (Exploit, Third Party Advisory)
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a4508… (mailing-list)
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698… (mailing-list)
- cwe.mitre.org/data/definitions/126.html (Technical Description, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-23922?
- CVE-2020-23922 is a high-severity vulnerability in Apache Bookkeeper, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2021-04-21.
- How severe is CVE-2020-23922?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2020-23922 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.