CVE-2020-35342: gnu binutils Improper Initialization
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-35342DEBIAN-CVE-2020-35342
Published 22-08-2023Last modified 03-10-2024
Vulnerability summary
CVE-2020-35342 is a high (CVSS 7.5) Improper Initialization vulnerability in gnu binutils. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.77%
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.
- 03-10-2024Last modifiedVulnerability information updated.
Description
GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.77%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.77% on 18-09-2026
18-09-202618-10-2026
EPSS score0.77%
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