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TI-2021-14780 Aliases CVE-2021-36493GHSA-32jj-wp9g-2g8g

Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.

Priority MEDIUM 41CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0088 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:xpdfreader:xpdf:4.03:*:*:*:*:*:*:*4.03VulnerableXpdfreader
  • cpe:2.3:a:xpdfreader:xpdf:4.03:*:*:*:*:*:*:* Versions 4.03 Vulnerable ·Xpdfreader

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36493
  2. 2026-10-03 Alias added: GHSA-32jj-wp9g-2g8g

References

Exploit 1

  • TI-2021-11232 Integer overflow in Apple macOS KEVCVSS 3.1HIGH 7.8
  • TI-2024-03046 Stack overflow in Xpdf 4.05 due to object loop in attachments CVSS 3.1MEDIUM 5.5
  • TI-2024-03045 Stack overflow in Xpdf 4.05 due to object loop in PDF object stream CVSS 3.1MEDIUM 5.5
  • TI-2023-02492 Stack overflow in Xpdf 4.04 due to object loop in PDF embedded file tree CVSS 3.1MEDIUM 5.5
  • TI-2022-22500 Stack overflow vulnerability in function gmalloc in goo/gmem.cc in xpdf 4.04, allows… CVSS 3.1MEDIUM 5.5
  • TI-2022-22499 Stack overflow vulnerability in function Dict::find in xpdf/Dict.cc in xpdf 4.04, allows… CVSS 3.1MEDIUM 5.5
See all 81 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences