CVE-2025-1150: GNU Binutils ld libbfd.c bfd_malloc memory leak

lowCVSS 3.1CVE-2025-1150

CSIRTS triage

vendor: GNU Binutils product: GNU BinutilsOther

What: The ld linker in libbfd.c has a memory leak in bfd_malloc, wasting memory during linking operations.
Who is affected: GNU Binutils users performing linking operations, all affected versions.
Urgency: Low severity (CVSS 3.1) and not exploited; memory leak is a resource exhaustion concern but not critical.
Action: Upgrade GNU Binutils to a version with bfd_malloc memory leak fixed.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: low — CVSS 3.1
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-1150

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-11500.60% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-1150	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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Recent advisories for GNU Binutils ld

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2026-19548: Multiple Use-After-Free vulnerabilities were found in the add_archive_element function in ld/l…nvd · 2026-08-12
lowCVE-2025-1180: GNU Binutils ld elf-eh-frame.c _bfd_elf_write_section_eh_frame memory corruptionmsrc · 2026-08-06