Vulnerability in FreeBSD (July 3, 2026)

unknownCVE-2026-49424

A vulnerability has been discovered in FreeBSD. It allows an attacker to cause a breach of data confidentiality.

CSIRTS triage

vendor: FreeBSD product: FreeBSD Information disclosure

What: A vulnerability allows an attacker to cause a breach of data confidentiality.
Who is affected: Users of FreeBSD.
Urgency: Remediation urgency is unclear but should be addressed promptly.
Action: Update FreeBSD to the latest version.

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

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-07-03
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0830/

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-2026-494240.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-49424	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

Recent advisories for FreeBSD

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.

high[NEW] [high] FreeBSD Project FreeBSD OS: Multiple vulnerabilitiescert-bund · 2026-08-20
medium[NEW] [medium] FreeBSD Project FreeBSD OS: Multiple vulnerabilitiescert-bund · 2026-08-20
unknownCVE-2026-49424: The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared …nvd · 2026-08-19
high[UPDATE] [high] FreeBSD Project FreeBSD OS: Multiple Vulnerabilitiescert-bund · 2026-08-13
highGHSA-cxgv-hp74-jj7r: Ansible FreeBSD Jail Connection Plugin: Jail escape via symlink following in put_file (ho…ghsa · 2026-08-12