CVE-Katalog

CVE-2026-87933

A vulnerability was found in DaveGamble cJSON up to…

[CVE-Katalog]

A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.

Schweregrad
High · CVSS 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.53% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "cjson",
      "status": "vulnerable",
      "release": "sid",
      "version": "1.7.19-2"
    },
    {
      "name": "cjson",
      "status": "vulnerable",
      "release": "forky",
      "version": "1.7.19-2"
    },
    {
      "name": "cjson",
      "status": "vulnerable",
      "release": "trixie",
      "version": "1.7.18-3.1+deb13u1"
    },
    {
      "name": "cjson",
      "status": "vulnerable",
      "release": "trixie-security",
      "version": "1.7.18-3.1+deb13u1"
    },
    {
      "name": "cjson",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.7.15-1+deb12u4"
    },
    {
      "name": "cjson",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "1.7.15-1+deb12u4"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1149958,
      "name": "cjson",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1149958,
      "name": "cjson",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1149958,
      "name": "cjson",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1149958,
      "name": "cjson",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": []
}

[Debian bug #1149958]

OpenFactory catalog packages

Die Paketzuordnung läuft.

[Debian 12 (Bookworm)]

  • [libcjson1]Unbekannt

    Quellpaket: [cjson]

    Details (4)

    • 1.7.15-1+deb12u4 · amd64 · bookworm

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

    • 1.7.15-1+deb12u4 · arm64 · bookworm

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

    • 1.7.15-1+deb12u4 · amd64 · bookworm-security

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

    • 1.7.15-1+deb12u4 · arm64 · bookworm-security

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

  • [libcjson-dev]Unbekannt

    Quellpaket: [cjson]

    Details (4)

    • 1.7.15-1+deb12u4 · amd64 · bookworm

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

    • 1.7.15-1+deb12u4 · arm64 · bookworm

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

    • 1.7.15-1+deb12u4 · amd64 · bookworm-security

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

    • 1.7.15-1+deb12u4 · arm64 · bookworm-security

      Betroffen

      nvd · cjson · debian · bookworm; nvd · cjson · debian · 12

[Debian 13 (Trixie)]

  • [libcjson1]Unbekannt

    Quellpaket: [cjson]

    Details (4)

    • 1.7.18-3.1+deb13u1 · amd64 · trixie

      Betroffen

      nvd · cjson · debian · 13

    • 1.7.18-3.1+deb13u1 · arm64 · trixie

      Betroffen

      nvd · cjson · debian · 13

    • 1.7.18-3.1+deb13u1 · amd64 · trixie-security

      Betroffen

      nvd · cjson · debian · 13

    • 1.7.18-3.1+deb13u1 · arm64 · trixie-security

      Betroffen

      nvd · cjson · debian · 13

  • [libcjson-dev]Unbekannt

    Quellpaket: [cjson]

    Details (4)

    • 1.7.18-3.1+deb13u1 · amd64 · trixie

      Betroffen

      nvd · cjson · debian · 13

    • 1.7.18-3.1+deb13u1 · arm64 · trixie

      Betroffen

      nvd · cjson · debian · 13

    • 1.7.18-3.1+deb13u1 · amd64 · trixie-security

      Betroffen

      nvd · cjson · debian · 13

    • 1.7.18-3.1+deb13u1 · arm64 · trixie-security

      Betroffen

      nvd · cjson · debian · 13

Beobachtet:

Referenzen

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]