CVE-2020-21490: gnu binutils
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-21490DEBIAN-CVE-2020-21490
Published 22-08-2023Last modified 04-10-2024
Vulnerability summary
CVE-2020-21490 is a medium (CVSS 5.5) vulnerability in gnu binutils. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 22-08-2023PublishedVulnerability first disclosed.
- 04-10-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in GNU Binutils 2.34. It is a memory leak when process microblaze-dis.c. This one will consume memory on each insn disassembled.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 18-09-2026
18-09-202618-10-2026
EPSS score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sourceware.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- binutils< 2.33.50.20200107-1
Gnu1 product
- binutils< 2.34
Ubuntu1 product
- binutils< 2.24-5ubuntu14.2+esm3 | < 2.26.1-1ubuntu1~16.04.8+esm7 | < 2.30-21ubuntu1~18.04.9+esm1
3 vendors · 3 products
