There's a memory leak in yajl 2.1.0 with use of yajl_tree_parse function.
Priority LOW 31CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 8 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-401.
Summary
There's a memory leak in yajl 2.1.0 with use of yajl_tree_parse function. which will cause out-of-memory in server and cause crash.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01129 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 8 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:yajl_project:yajl:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Yajl Project |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:yajl_project:yajl:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Yajl Project
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
Red Hat 4 advisories
- RHSA-2024:2580 Released 2024-04-30 · Red Hat rating Moderateyajl security update
- Red Hat CodeReady Linux Builder EUS (v.8.8) yajl-devel-2.1.0-12.el8_8
- Red Hat Enterprise Linux AppStream EUS (v.8.8) yajl-2.1.0-12.el8_8
- RHSA-2024:2063 Released 2024-04-25 · Red Hat rating Moderateyajl security update
- Red Hat CodeReady Linux Builder EUS (v.8.6) yajl-devel-2.1.0-13.el8_6
- Red Hat Enterprise Linux AppStream EUS (v.8.6) yajl-2.1.0-13.el8_6
- RHSA-2023:7057 Released 2023-11-14 · Red Hat rating Moderateyajl security update
- Red Hat CodeReady Linux Builder (v. 8) yajl-devel-2.1.0-12.el8
- Red Hat Enterprise Linux AppStream (v. 8) yajl-2.1.0-12.el8
Show 1 more Red Hat advisories
- RHSA-2023:6551 Released 2023-11-07 · Red Hat rating Moderateyajl security update
- Red Hat CodeReady Linux Builder (v. 9) yajl-devel-2.1.0-22.el9
- Red Hat Enterprise Linux AppStream (v. 9) yajl-2.1.0-22.el9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2023:7057 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2023:6551 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:2063 |
| Red Hat CodeReady Linux Builder EUS (v.8.8) | Fixed | RHSA-2024:2580 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2023:7057 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:6551 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2024:2063 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:2580 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2023-33460
- 2026-10-03 Alias added: GHSA-cqgm-m7h3-xgwm
References
Advisory 5
Sources
- CVE-2023-33460 · CVE Program
- CVE-2023-33460 · NVD
- FIRST EPSS
- GHSA-cqgm-m7h3-xgwm · GitHub Advisory Database · CC BY 4.0
- CVE-2023-33460 · Red Hat security data · CC BY 4.0
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