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Fencer Vulns
high 8.4

CVE-2024-48877 json

A memory corruption vulnerability exists in the Shared String Table Record Parser implementation in xls2csv utility version 0.95.

published 2025-06-02 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54625

cvss
8.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

A memory corruption vulnerability exists in the Shared String Table Record Parser implementation in xls2csv utility version 0.95. A specially crafted malformed file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Patch / fix

  • catdoc Debian 12 1:0.95-6~deb12u1
  • catdoc Debian 14, Debian 13 1:0.95-6

debian advisories DEBIAN-CVE-2024-48877

  • catdoc Ubuntu Pro 16.04 LTS 1:0.94.3~git20160113.dbc9ec6+dfsg-1+deb9u1ubuntu0.1~esm1
  • catdoc Ubuntu Pro 18.04 LTS 1:0.95-4.1ubuntu0.18.04.1~esm1
  • catdoc Ubuntu Pro 20.04 LTS 1:0.95-4.1ubuntu0.20.04.1~esm1
  • catdoc Ubuntu Pro 22.04 LTS 1:0.95-5ubuntu0.22.04.1~esm1
  • catdoc Ubuntu Pro 24.04 LTS 1:0.95-5ubuntu0.24.04.1~esm1

ubuntu advisories UBUNTU-CVE-2024-48877

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
17 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2024-2128 referenced PoC, tagged "exploit" by a source, unverified
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2128 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • xls2csv xls2csv

Classification

Weakness
  • CWE-680 Integer Overflow to Buffer Overflow
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.