Curl (7.44.0 <= Version < 8.22.0) - CraftedSignal Threat Feedhttps://feed.craftedsignal.io/products/curl-7.44.0--version--8.22.0/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioWed, 02 Sep 2026 18:02:41 +0000https://feed.craftedsignal.io/favicon-32x32.pngCraftedSignal Threat Feedhttps://feed.craftedsignal.io/3232https://feed.craftedsignal.io/favicon.svgMultiple Vulnerabilities in Curlhttps://feed.craftedsignal.io/briefs/2026-09-curl-vulnerabilities/Wed, 02 Sep 2026 18:02:41 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-09-curl-vulnerabilities/Multiple vulnerabilities were discovered in the Curl library (versions 7.44.0 through 8.21.x), potentially allowing attackers to compromise data integrity, confidentiality, or bypass security policies.The French National Cybersecurity Agency (ANSSI) has issued an advisory regarding multiple security vulnerabilities discovered in the Curl library. The affected versions range from 7.44.0 up to, but not including, 8.22.0. These vulnerabilities present risks to data integrity and confidentiality, and may allow attackers to bypass established security policies. Given Curl's ubiquitous use as a foundational networking component across various operating systems and enterprise applications, these vulnerabilities are significant. Organizations should identify systems relying on older versions of Curl and prioritize patching to version 8.22.0 or higher to mitigate these risks.

Impact

Successful exploitation of these vulnerabilities can lead to unauthorized access to sensitive data, modification of data in transit or at rest, and the circumvention of security controls. Because Curl is often bundled within diverse software stacks, the potential impact spans a broad range of sectors including cloud infrastructure, web services, and endpoint software.

Recommendation

  • Prioritize the identification and patching of all software distributions and services utilizing Curl versions between 7.44.0 and 8.21.x.
  • Upgrade all identified instances to Curl version 8.22.0 or the latest stable version provided by your distribution maintainers.
  • Audit application dependencies to ensure underlying libraries are updated, as many applications embed Curl rather than utilizing system-level installations.
  • Consult the upstream vendor security bulletins for CVE-2026-13608, CVE-2026-18924, CVE-2026-19931, CVE-2026-80229, CVE-2026-80230, CVE-2026-80231, CVE-2026-80255, CVE-2026-82208, and CVE-2026-82209 for specific technical remediation guidance.
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