GNU PSPP pspp-convert.c parse_variables_option free of memory not on the heap
A vulnerability classified as critical was found in GNU PSPP 82fb509fb2fedd33e7ac0c46ca99e108bb3bdffb. Affected by this vulnerability is the function parse_variables_option of the file utilities/pspp-convert.c. The manipulation leads to free of memory not on the heap. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
- Published
- Jun 9, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 5th percentile
- CWE
- CWE-590
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Report tools
Action score
7
Monitor
Low priority for now.
- CVSS
- 7 / 40 · 1.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulDB
- 4.8
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
GNU PSPP
- 82fb509fb2fedd33e7ac0c46ca99e108bb3bdffbaffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | pspp | all versions | — |
Same product
gnu: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-47815libpspp-core.a in GNU PSPP through 2.0.1 allows attackers to cause a heap-based buffer overflow in inflate_read (called indirectly from zip_39Monitor
- CVE-2025-47814libpspp-core.a in GNU PSPP through 2.0.1 allows attackers to cause a heap-based buffer overflow in inflate_read (called indirectly from spv_39Monitor
- CVE-2025-47816libpspp-core.a in GNU PSPP through 2.0.1 allows attackers to cause an spvxml-helpers.c spvxml_parse_attributes out-of-bounds read, related t36Monitor
- CVE-2022-39832An issue was discovered in PSPP 1.6.2.31Monitor
- CVE-2022-39831An issue was discovered in PSPP 1.6.2.31Monitor
- CVE-2018-20230An issue was discovered in PSPP 1.2.0.31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-590 · Free of Memory not on the HeapCVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- drive.google.com/file/d/1YPJLiBzOwVTcc2FzdawYxBJWGujwqy7o/view?usp=sharing
- savannah.gnu.org/bugs/index.php?67072
- vuldb.com/?ctiid.311671
- vuldb.com/?id.311671
- vuldb.com/?submit.586106
- www.gnu.org/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.