CVE-2025-7546: A vulnerability, which was classified as problematic, has been found in GNU Binutils 2.45

Routine

MEDIUM 5.3DOWNGRADE

CVE-2025-7546 is a medium-severity flaw (CVSS 5.3) affecting binutils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in GNU Binutils 2.45. Affected by this issue is the function bfd_elf_set_group_contents of the file bfd/elf.c. The manipulation leads to out-of-bounds write. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The name of the patch is 41461010eb7c79fee7a9d5f6209accdaac66cc6b. It is recommended to apply a patch to f

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-119, CWE-787
Published	2025-07-13
Last modified	2026-10-15

Publisher (CNA): VulDB · Vendor: gnu

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-13 22:15 UTCPublished CVE record published
2026-10-15 02:18 UTCUpdated Record last modified

gnu binutils DOWNGRADE

Affected: 2.45

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.45

1. Check installed version

apt-cache policy binutils || rpm -q binutils || binutils --version

2. No fixed release: DOWNGRADE to a release before 2.45 (Debian / Ubuntu)

apt-cache madison binutils sudo apt install binutils=<VERSION_BEFORE_2.45> sudo apt-mark hold binutils

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list binutils sudo dnf downgrade binutils-<VERSION_BEFORE_2.45> sudo dnf versionlock add binutils

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-7546?

binutils: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-7546 being exploited?

CVE-2025-7546 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-7546 affect?

CVE-2025-7546 affects binutils. Severity is medium (CVSS 5.3). A vulnerability, which was classified as problematic, has been found in GNU Binutils 2.45. Affected by this issue is the function bfd_elf_set_group_contents of the file bfd/elf.c. The manipulation leads to out-of-bounds write. It is possibl

How urgent is CVE-2025-7546?

Priority 21/100. No elevated risk signals yet.

Related CVEs

CVE-2026-6846 HIGH 7.8 UPGRADE MITIGATE A flaw was found in binutils
CVE-2026-6844 MEDIUM 5.5 MITIGATE MITIGATE A flaw was found in the `readelf` utility of the binutils package
CVE-2026-6845 MEDIUM 5.0 MITIGATE MITIGATE A flaw was found in binutils, specifically within the `readelf` utility
CVE-2018-18700 MEDIUM 5.5 DOWNGRADE An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31
CVE-2025-8224 LOW 3.3 DOWNGRADE A vulnerability has been found in GNU Binutils 2.44 and classified as problematic

References

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