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TI-2021-17370 Aliases CVE-2021-40226GHSA-3w6j-f4xj-hmhr

xpdfreader 4.03 is vulnerable to Buffer Overflow.

Priority MEDIUM 40CWE-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

xpdfreader 4.03 is vulnerable to Buffer Overflow.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00825 57th percentileScored 2026-11-07
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:glyphandcog:xpdfreader:4.03:*:*:*:*:*:*:*4.03VulnerableGlyphandcog
  • cpe:2.3:a:glyphandcog:xpdfreader:4.03:*:*:*:*:*:*:* Versions 4.03 Vulnerable ·Glyphandcog

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40226
  2. 2026-10-03 Alias added: GHSA-3w6j-f4xj-hmhr

References

  • TI-2009-03445 Integer overflow in the ObjectStream::ObjectStream function in XRef.cc in Xpdf 3.x before… CVSS 2.0HIGH 9.3
  • TI-2009-03443 Integer overflow in the PSOutputDev::doImageL1Sep function in Xpdf before 3.02pl4, and… CVSS 2.0HIGH 9.3
  • TI-2009-03441 The Splash::drawImage function in Splash.cc in Xpdf 2.x and 3.x before 3.02pl4, and… CVSS 2.0HIGH 9.3
  • TI-2009-03440 Integer overflow in the SplashBitmap::SplashBitmap function in Xpdf 3.x before 3.02pl4… CVSS 2.0HIGH 9.3
  • TI-2009-00154 Integer overflow in the JBIG2 decoder in Xpdf 3.02pl2 and earlier, as used in Poppler and… CVSS 2.0HIGH 10.0
  • TI-2011-00666 t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses… CVSS 2.0MEDIUM 6.8
See all 52 →

Sources