CVE-2026-19582: Binutils: stack buffer overflow in gnu binutils in rsrc_print_name from an untrusted pe file

highCVSS 7.8CVE-2026-19582

CSIRTS triage

vendor: Binutils product: Binutils Memory corruption

What: A stack buffer overflow exists in rsrc_print_name when processing untrusted PE files.
Who is affected: Systems using Binutils tools (objdump, readelf) to process untrusted PE/COFF binaries.
Urgency: High severity with remote trigger vector via malicious PE files; exploit risk is significant.
Action: Update GNU Binutils to the latest patched version that validates PE resource name lengths.

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

⚡ Watch Binutils

Get an email when a new Binutils advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.8
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19582

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-2026-195820.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-19582	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownCVE-2026-19582: In binutils 2.46.1 and prior versions, a victim who opens a crafted PE file using binutils cou…nvd

Recent advisories for Binutils

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.

unknownCVE-2026-19582: In binutils 2.46.1 and prior versions, a victim who opens a crafted PE file using binutils cou…nvd · 2026-08-20
mediumCVE-2026-19548: Multiple Use-After-Free vulnerabilities were found in the add_archive_element function in ld/l…nvd · 2026-08-12
mediumCVE-2026-19548: Binutils: binutils: multiple use-after-free in add_archive_element via lto plugin processingmsrc · 2026-08-11
lowCVE-2025-1150: GNU Binutils ld libbfd.c bfd_malloc memory leakmsrc · 2026-08-06
highCVE-2026-6846: Binutils: binutils: arbitrary code execution via malformed xcoff object file processingmsrc · 2026-08-06
mediumCVE-2025-69647: GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a …msrc · 2026-08-06