CVE-2020-23922: apache bookkeeper Out-of-bounds Read
CVSS: 7.1v3.1HighModified
AliasesDEBIAN-CVE-2020-23922
Published 21-04-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-23922 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in apache bookkeeper. EPSS estimates a 2.24% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
2.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 21-04-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.24%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.24% on 19-09-2026
19-09-202619-10-2026
EPSS score2.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sourceforge.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Apache1 product
- bookkeeper4.12.1
Debian1 product
- giflibAll versions (No fix recorded) | < 5.2.2-1
Giflib_project1 product
- giflib≤ 5.1.4
3 vendors · 3 products
