CVE-2020-35342

Exp

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.

Published: 2023-08-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-35342 is rated High Exploit Risk (61.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.66%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-35342

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-35342

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.11% 0.66% +0.55%
2 2025-11-21 0.24% 0.11% -0.13%
3 2025-11-18 — 0.24% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-35342

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2020-35342

OS Trackers for CVE-2020-35342

vendor priority summary link
alpine high CVE-2020-35342: 1 source package rows (binutils); 10 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 10. https://security.alpinelinux.org/vuln/CVE-2020-35342
debian unimportant CVE-2020-35342 unimportant priority: Debian including 1 source packages (binutils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2020-35342
redhat medium — https://access.redhat.com/security/cve/CVE-2020-35342
suse high CVE-2020-35342 severity important: SUSE including 6 source package names (binutils, binutils-devel, binutils-devel-32bit, binutils-gold, libctf-nobfd0, libctf0), 138 product×package rows across 38 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (38 product lines)): Known Not Affected 138. https://www.suse.com/security/cve/CVE-2020-35342/
ubuntu medium CVE-2020-35342 medium priority: Ubuntu including 1 source packages (binutils), 8 status rows across 8 suites (bionic, focal, jammy, lunar, mantic, trusty, upstream, xenial): not-affected 4, released 4. https://ubuntu.com/security/CVE-2020-35342

Affected software / configurations for CVE-2020-35342

Vendor Product Version Raw CPE
gnu binutils < 2.34 cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

References for CVE-2020-35342

cvelogic Threat Intelligence