CVE-2022-30065: busybox Use After Free
CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2022-30065MGASA-2022-0458SUSE-SU-2022:4309-1SUSE-SU-2022:4372-1DEBIAN-CVE-2022-30065CGA-hf9v-6p2q-86wwCGA-p8qp-wr48-3x2wopenSUSE-SU-2024:12536-1
Published 18-05-2022Last modified 07-07-2026
Vulnerability summary
CVE-2022-30065 is a high (CVSS 7.8) Use After Free vulnerability in busybox. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
1.25%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 3Timeline
- 18-05-2022PublishedVulnerability first disclosed.
- 07-07-2026Last modifiedVulnerability information updated.
Description
A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.
CVSS metrics
7 scores · 6 sources · 2 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 6 agree
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.01 pp
From 1.24% on 18-09-2026
18-09-202618-10-2026
EPSS score1.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.busybox.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Siemens6 products
- scalance_sc622-2c_firmware< 3.0
- scalance_sc626-2c_firmware< 3.0
- scalance_sc632-2c_firmware< 3.0
- scalance_sc636-2c_firmware< 3.0
- scalance_sc642-2c_firmware< 3.0
Suse3 products
- busybox&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 1.35.0-150000.4.17.1
- busybox&distro=SUSE Linux Enterprise Server 12 SP5< 1.35.0-4.6.2
- busybox&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 1.35.0-4.6.2
Opensuse2 products
- busybox&distro=openSUSE Leap 15.3< 1.35.0-150000.4.17.1
- busybox&distro=openSUSE Tumbleweed< 1.35.0-9.1
Alpine1 product
- busybox< 1.32.1-r9 | < 1.33.0-r8 | < 1.34.0-r6 | < 1.35.0-r15 | < 1.35.0-r17
Busybox1 product
- busybox1.35.0
Chainguard1 product
- busybox< 1.35.0-r3
Debian1 product
- busyboxAll versions (No fix recorded) | < 1:1.36.1-1
Mageia1 product
- busybox< 1.34.1-1.2.mga8
Wolfi1 product
- busybox< 1.35.0-r3
9 vendors · 17 products
