[UPDATE] [medium] GnuTLS: Multiple vulnerabilities

mediumCVE-2024-0553 CVE-2024-0567

A remote, anonymous attacker can exploit multiple vulnerabilities in GnuTLS to disclose information or cause a denial of service.

CSIRTS triage

vendor: GnuTLS product: GnuTLS Information disclosure Denial of service

What: Multiple vulnerabilities can be exploited by a remote anonymous attacker to disclose information or cause a denial of service.
Who is affected: All deployments using GnuTLS are affected.
Urgency: Remediation is medium urgency as the vulnerabilities are not currently exploited but could lead to information disclosure or denial of service.
Action: Update GnuTLS to the latest version to resolve these issues.

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

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-07
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0131

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.

Moderate exploitation riskCVE-2024-05531.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 73% of all scored CVEs.
Moderate exploitation riskCVE-2024-05671.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 69% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-0553	coverage & exploitation status	NVD · CVE.org
CVE-2024-0567	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownUSN-8502-1: GnuTLS vulnerabilitiesubuntu

Recent advisories for GnuTLS

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[UPDATE] [high] GnuTLS: Multiple vulnerabilitiescert-bund · 2026-07-10
medium[UPDATE] [medium] GnuTLS: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-10
medium[UPDATE] [medium] GnuTLS: Vulnerability allows denial of servicecert-bund · 2026-07-07
low[UPDATE] [low] GnuTLS: Vulnerability allows unspecified attackcert-bund · 2026-07-07
unknownUSN-8502-1: GnuTLS vulnerabilitiesubuntu · 2026-07-06
lowCVE-2026-5419: Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removalmsrc · 2026-06-09