How severe is CVE-2023-41633?

CVE-2023-41633 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-41633 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41633?

CVE-2023-41633 affects Fossies Catdoc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41633?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-41633 published?

CVE-2023-41633 was published on 2023-09-01 and last updated on 2026-06-17.

CVE-2023-41633

CVE-2023-41633 is a medium-severity vulnerability in Fossies Catdoc with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Fossies Catdoc
Published: 2023-09-01
Last modified: 2026-06-17

Description

Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/fileutil.c.

Frequently asked questions

What is CVE-2023-41633?: Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/fileutil.c.
How severe is CVE-2023-41633?: CVE-2023-41633 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-41633 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41633?: CVE-2023-41633 affects Fossies Catdoc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41633?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-41633 published?: CVE-2023-41633 was published on 2023-09-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fossies:catdoc:0.95:*:*:*:*:*:*:*

More vulnerabilities in Fossies Catdoc

CVE-2024-54028 — High (CVSS 8.4): An integer underflow vulnerability exists in the OLE Document DIFAT Parser functionality of catdoc 0.95. A specially…
CVE-2024-52035 — High (CVSS 8.4): An integer overflow vulnerability exists in the OLE Document File Allocation Table Parser functionality of catdoc 0.95.…
CVE-2023-31979 — High (CVSS 7.8): Catdoc v0.95 was discovered to contain a global buffer overflow via the function process_file at /src/reader.c.
CVE-2017-11110 — High (CVSS 7.8): The ole_init function in ole.c in catdoc 0.95 allows remote attackers to cause a denial of service (heap-based buffer…
CVE-2023-46345 — High (CVSS 7.5): Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/xlsparse.c.

All CVEs affecting Fossies Catdoc →

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