The posix_spawn_file_actions_addopen function in glibc before 2.20 does not copy its path…
Priority MEDIUM 40CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-94.
Summary
The posix_spawn_file_actions_addopen function in glibc before 2.20 does not copy its path argument in accordance with the POSIX specification, which allows context-dependent attackers to trigger use-after-free vulnerabilities.
Why it matters now
EPSS 0.03922 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-4043
- 2026-10-03 Alias added: GHSA-7fjc-2773-f7m5
References
Other 10
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=blobdiff%3Bf=ChangeLog%3Bh=3020b9ac232315df362521aeaf85f21cb9926db8%3Bhp=d86e73963dd9fb5e21b1a28326630337226812aa%3Bhb=89e435f3559c53084498e9baad22172b64429362%3Bhpb=c3a2ebe1f7541cc35937621e08c28ff88afd0845
- https://sourceware.org/bugzilla/show_bug.cgi?id=17048
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=89e435f3559c53084498e9baad22172b64429362
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=blobdiff%3Bf=posix/spawn_faction_addopen.c%3Bh=40800b8e6e81341501c0fb8a91009529e2048dec%3Bhp=47f62425b696a4fdd511b2a057746322eb6518db%3Bhb=89e435f3559c53084498e9baad22172b64429362%3Bhpb=c3a2ebe1f7541cc35937621e08c28ff88afd0845
- 20190612 SEC Consult SA-20190612-0 :: Multiple vulnerabilities in WAGO 852 Industrial Managed Switch Series
- 20190613 SEC Consult SA-20190612-0 :: Multiple vulnerabilities in WAGO 852 Industrial Managed Switch Series
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- 20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16X
- 20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16X
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
Sources
- CVE-2014-4043 · CVE Program
- CVE-2014-4043 · NVD
- FIRST EPSS
- GHSA-7fjc-2773-f7m5 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-4043 · Red Hat security data · CC BY 4.0
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