An issue was discovered in GNU libcdio before 2.0.0.
An issue was discovered in GNU libcdio before 2.0.0. There is a double free in get_cdtext_generic() in lib/driver/_cdio_generic.c.
- Published
- Feb 26, 2018
- Updated
- Jun 16, 2026
- EPSS
- 3.2% · 88th percentile
- CWE
- CWE-415
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Report tools
Action score
40
Plan
Add it to your regular patch cycle.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| gnu | libcdio | cpe:2.3:a:gnu:libcdio |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- gnu libcdiobefore 2.0.0
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | libcdio | before 2.0.0-2 | 2.0.0-2 |
| Red Hat:enterprise_linux:7::client | libcdio | before 0:0.92-3.el7 | 0:0.92-3.el7 |
| Red Hat:enterprise_linux:7::client | libcdio-debuginfo | before 0:0.92-3.el7 | 0:0.92-3.el7 |
| Red Hat:enterprise_linux:7::client | libcdio-devel | before 0:0.92-3.el7 | 0:0.92-3.el7 |
| SUSE:Linux Enterprise Desktop 12 SP2 | libcdio | before 0.90-6.3.1 | 0.90-6.3.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 | libcdio | before 0.94-6.3.1 | 0.94-6.3.1 |
Same product
gnu: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-18198print_iso9660_recurse in iso-info.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (heap-based buffer over36Monitor
- CVE-2024-36600Buffer Overflow Vulnerability in libcdio 2.2.0 (fixed in 2.3.0) allows an attacker to execute arbitrary code via a crafted ISO 9660 image fi33Monitor
- CVE-2017-18199realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL Pointer Dereference) via a 27Monitor
- CVE-2007-6613Stack-based buffer overflow in the print_iso9660_recurse function in iso-info (src/iso-info.c) in GNU Compact Disc Input and Control Library24Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:libcdio | 2.0.0-2 · Debian:12 | Package registry (OSV) |
| red hat:libcdio | 0:0.92-3.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:libcdio-debuginfo | 0:0.92-3.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:libcdio-devel | 0:0.92-3.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| suse:libcdio | 0.90-6.3.1 · SUSE:Linux Enterprise Desktop 12 SP2 | Package registry (OSV) |
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.
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
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-415 · Double FreeCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
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
- Fix✗ → ✓
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References
- www.securityfocus.com/bid/103190
- access.redhat.com/errata/RHSA-2018:3246
- git.savannah.gnu.org/cgit/libcdio.git/commit/?id=f6f9c48fb40b8a1e8218799724b0b61a7161eb1d
Vendor advisories and official records. Exploit/PoC links are deliberately left out.