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CVE-2025-7545

21
FAUCET Score

CVE-2025-7545 is a heap-based buffer overflow vulnerability in the copy_section function of binutils/objcopy.c within GNU Binutils 2.45. This flaw allows a local attacker to achieve high confidentiality, integrity, and availability impacts. While the exploit has been publicly disclosed, there is no evidence of active exploitation, and no readily available exploit modules or significant community discussion have been observed. A patch (08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944) is available to remediate this high-severity vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.45CPE matchmatch criteria
cpe:2.3:a:gnu:binutils:2.45:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

1.9LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
17.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 51st percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (21)

microsoftpatch availablevia msrc
Product: 20376-17086Fixed in: 2.37-16
microsoftpatch availablevia msrc
Product: 19634-17084Fixed in: 2.41-7
microsoftpatch availablevia msrc
Product: 20219-17086Fixed in: 2.37-16
microsoftpatch availablevia msrc
Product: cbl2 binutils 2.37-16 on CBL Mariner 2.0Fixed in: 2.37-16
microsoftpatch availablevia msrc
Product: azl3 binutils 2.41-7 on Azure Linux 3.0Fixed in: 2.41-7
microsoftpatch availablevia msrc
Product: cbl2 binutils 2.37-15 on CBL Mariner 2.0Fixed in: 2.37-16
grafanavendor investigatingvia llm_extracted
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mingw-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: gcc-toolset-13-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: gcc-toolset-15-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: gcc-toolset-15-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mingw-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: rhcos
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: gcc-toolset-14-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: mingw-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gcc-toolset-13-binutils
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gcc-toolset-14-binutils

Vendor Advisories (3)

grafanallm-grafana-3bfe68bd8f94bc6dCRITICAL

HP ThinPro 8.1 SP9 Security Updates

Feb 2, 2026
redhatCVE-2025-7545Moderate

binutils: Binutils: Heap Buffer Overflow

Jul 13, 2025
microsoft2025-Jul/CVE-2025-7545Moderate

GNU Binutils objcopy.c copy_section heap-based overflow

Jul 8, 2025

References

cert-portal.siemens.com / productcert/html/ssa-082556.html
cert-portal.siemens.com / productcert/html/ssa-265688.html
sourceware.org / bugzilla/attachment.cgi
Broken Link
sourceware.org / bugzilla/show_bug.cgi
Issue Tracking
sourceware.org / bugzilla/show_bug.cgi
Issue Tracking
sourceware.org / git/gitweb.cgi
Broken Link
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
gnu.org
Product