CVE catalog

CVE-2025-57052

cJSON vulnerabilities

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Sep 3, 2025, 3:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.74% · Oct 25, 2026

cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	cjson	sid	`1.7.19-2`	fixed
Debian	cjson	forky	`1.7.19-2`	fixed
Debian	cjson	trixie	`1.7.18-3.1+deb13u1`	fixed
Debian	cjson	trixie-security	`1.7.18-3.1+deb13u1`	fixed
Debian	cjson	bookworm	`1.7.15-1+deb12u4`	fixed
Debian	cjson	bookworm-security	`1.7.15-1+deb12u4`	fixed
Ubuntu	cjson	noble	`1.7.15-1+deb12u4`	fixed
Ubuntu	cjson	noble	`1.7.17-1ubuntu0.1~esm3`	fixed
Ubuntu	libcjson-dev	noble	`1.7.17-1ubuntu0.1~esm3`	fixed
Ubuntu	libcjson1	noble	`1.7.17-1ubuntu0.1~esm3`	fixed
Alpine	cjson	3.19	`1.7.19-r0`	fixed
Alpine	cjson	3.20	`1.7.19-r0`	fixed
Alpine	cjson	3.21	`1.7.19-r0`	fixed
Alpine	cjson	3.22	`1.7.19-r0`	fixed
Alpine	cjson	3.23	`1.7.19-r0`	fixed
Alpine	cjson	3.24	`1.7.19-r0`	fixed
Ubuntu	cjson	pro	`1.7.16-1`	vulnerable
Ubuntu	cjson	pro	`1.7.16-2`	vulnerable
Ubuntu	cjson	pro	`1.7.17-1`	vulnerable
Ubuntu	cjson	pro	`1.7.17-1ubuntu0.1~esm2`	vulnerable
Ubuntu	cjson	pro	`1.7.17-1ubuntu0.1~esm3`	fixed
Ubuntu	cjson	22.04	`1.7.14-1`	vulnerable
Ubuntu	cjson	22.04	`1.7.15-1`	vulnerable
Ubuntu	cjson	22.04	`1.7.15-1ubuntu0.1`	fixed
Ubuntu	cjson	25.10	`1.7.18-3`	vulnerable
Ubuntu	cjson	25.10	`1.7.18-3.1`	vulnerable
Ubuntu	cjson	25.10	`1.7.18-3.1ubuntu0.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	cjson	source	sid	`1.7.19-1`	not yet assigned	Not reported	[1114757]
Debian	cjson	source	forky	`1.7.19-1`	not yet assigned	Not reported	[1114757]
Debian	cjson	source	trixie	`1.7.18-3.1+deb13u1`	not yet assigned	Not reported	[1114757]
Debian	cjson	source	bookworm	`1.7.15-1+deb12u4`	not yet assigned	Not reported	[1114757]
Ubuntu	cjson	deb	noble	`1.7.15-1+deb12u4`	Not reported	Not reported	Not reported
Ubuntu	cjson	deb	noble	`1.7.17-1ubuntu0.1~esm3`	Not reported	Not reported	Not reported
Ubuntu	libcjson-dev	deb	noble	`1.7.17-1ubuntu0.1~esm3`	Not reported	Not reported	Not reported
Ubuntu	libcjson1	deb	noble	`1.7.17-1ubuntu0.1~esm3`	Not reported	Not reported	Not reported
Alpine	cjson	apk	3.19	`1.7.19-r0`	Not reported	ALPINE-CVE-2025-57052	Not reported
Alpine	cjson	apk	3.20	`1.7.19-r0`	Not reported	ALPINE-CVE-2025-57052	Not reported
Alpine	cjson	apk	3.21	`1.7.19-r0`	Not reported	ALPINE-CVE-2025-57052	Not reported
Alpine	cjson	apk	3.22	`1.7.19-r0`	Not reported	ALPINE-CVE-2025-57052	Not reported
Alpine	cjson	apk	3.23	`1.7.19-r0`	Not reported	ALPINE-CVE-2025-57052	Not reported
Alpine	cjson	apk	3.24	`1.7.19-r0`	Not reported	ALPINE-CVE-2025-57052	Not reported
Ubuntu	cjson	deb	pro	`1.7.17-1ubuntu0.1~esm3`	Not reported	UBUNTU-CVE-2025-57052	Not reported
Ubuntu	cjson	deb	22.04	`1.7.15-1ubuntu0.1`	Not reported	UBUNTU-CVE-2025-57052	Not reported
Ubuntu	cjson	deb	25.10	`1.7.18-3.1ubuntu0.1`	Not reported	UBUNTU-CVE-2025-57052	Not reported

[Debian bug #1114757]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libcjson1]Fixed
Source package: [cjson]
Details (4)
- 1.7.15-1+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
- 1.7.15-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
- 1.7.15-1+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
- 1.7.15-1+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
[libcjson-dev]Fixed
Source package: [cjson]
Details (4)
- 1.7.15-1+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
- 1.7.15-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
- 1.7.15-1+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12
- 1.7.15-1+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 1.7.15-1+deb12u4
  usn · cjson · debian · bookworm; usn · cjson · debian · 12

[Debian 13 (Trixie)]

[libcjson1]Fixed
Source package: [cjson]
Details (4)
- 1.7.18-3.1+deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
- 1.7.18-3.1+deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
- 1.7.18-3.1+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
- 1.7.18-3.1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
[libcjson-dev]Fixed
Source package: [cjson]
Details (4)
- 1.7.18-3.1+deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
- 1.7.18-3.1+deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
- 1.7.18-3.1+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13
- 1.7.18-3.1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.7.18-3.1+deb13u1
  usn · cjson · debian · 13

Observed: Oct 27, 2026, 12:05:25 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]