Skip to content
Fencer Vulns
medium 6.5

CVE-2026-6068 json

CVE-2026-6068

published 2026-04-10 6 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-21380

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and later dereferenced, as the response-file buffer is freed before the pointer is used, allowing for data corruption or remote code execution.

Patch / fix

  • nasm SLE Module for Development Tools 15 SP7 2.16.03-150700.3.3.1

suse advisories SUSE-SU-2026:3178-1

  • nasm openSUSE Leap 16.0 3.02-160000.1.1
  • nasm openSUSE Tumbleweed 3.02-1.1

opensuse advisories openSUSE-SU-2026:21333-1openSUSE-SU-2026:11217-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-6068 updated cvss 6.8

nasm: NASM: Heap use after free vulnerability in response file processing

  • Red Hat Enterprise Linux 6 nasm, nasm-rdoff
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 nasm, nasm-rdoff Red Hat Enterprise Linux 8 nasm Red Hat Enterprise Linux 9 nasm Red Hat Enterprise Linux 10 nasm
    affected: no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/netwide-assembler/nasm/issues/222 referenced PoC, tagged "exploit" by a source, unverified
  • sekai.team https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • NASM NASM

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.