Medium severity · published Oct 8, 2025
CVE-2025-11495
GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Binutils · GNU
2.45 · source: vendor, NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.5; V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.5; V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11495
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11495
Broken Link
https://sourceware.org/bugzilla/attachment.cgi?id=16393
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=33502
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=33502#c3
Patch
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0
Permissions Required
https://vuldb.com/?ctiid.327620
Third Party Advisory
https://vuldb.com/?id.327620
More from Binutils
9.8
CVE-2018-12699
finish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated…
9.8
CVE-2017-7614
elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a "member access within null pointer" undefined behavior issue, which…
9.8
CVE-2014-9939
ihex.c in GNU Binutils before 2.26 contains a stack buffer overflow when printing bad bytes in Intel Hex objects
9.1
CVE-2017-7226
The pe_ILF_object_p function in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to a heap-based buffer over-read of size…
9.1
CVE-2017-6969
readelf in GNU Binutils 2.28 is vulnerable to a heap-based buffer over-read while processing corrupt RL78 binaries