CVE-2025-66862

CWE-122 — Heap-based Buffer OverflowCWE-125 — Out-of-bounds Read7 documents7 sources
Severity
7.5HIGH
EPSS
0.1%
top 77.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GNU Binutils
Timeline
PublishedDec 29

Description

A buffer overflow vulnerability in function gnu_special in file cplus-dem.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDgnu/binutils2.26

🔴Vulnerability Details

3
CVEList
CVE-2025-66862: A buffer overflow vulnerability in function gnu_special in file cplus-dem↗2025-12-29
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GHSA
GHSA-rhg5-g54m-7cq3: A buffer overflow vulnerability in function gnu_special in file cplus-dem↗2025-12-29
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OSV
CVE-2025-66862: A buffer overflow vulnerability in function gnu_special in file cplus-dem↗2025-12-29
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📋Vendor Advisories

2
Red Hat
binutils: heap-based buffer over-read in gnu_special() in cplus-dem.c↗2025-12-29
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Debian
CVE-2025-66862: binutils - A buffer overflow vulnerability in function gnu_special in file cplus-dem.c in B...↗2025
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🕵️Threat Intelligence

1
Wiz
CVE-2025-66862 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2025-66862 (HIGH CVSS 7.5) | A buffer overflow vulnerability in | cvebase.io