CVE-2009-1858

The JBIG2 filter in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8...

9.3 High

The JBIG2 filter in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8 before 8.1.6, and Adobe Reader 9 and Acrobat 9 before 9.1.2 might allow remote attackers to execute arbitrary code via unspecified vectors that trigger memory corruption.

Exploit likelihood

8.81%Down 1.1 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2009-1858
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-1858
Updated: 2026-11-02

EUVDEUVD-2009-1853 No score

Record: EUVD-2009-1853
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9rc6-xfx3-h8rq No score

The JBIG2 filter in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8...

Record: GHSA-9rc6-xfx3-h8rq
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`acroread` Red Hat:rhel_extras:3 From an advisory covering 14 CVEs	before 0:8.1.6-1	0:8.1.6-1
`acroread-plugin` Red Hat:rhel_extras:3 From an advisory covering 14 CVEs	before 0:8.1.6-1	0:8.1.6-1
`acroread` Red Hat:rhel_extras:4 From an advisory covering 14 CVEs	before 0:8.1.6-1.el4	0:8.1.6-1.el4
`acroread-plugin` Red Hat:rhel_extras:4 From an advisory covering 14 CVEs	before 0:8.1.6-1.el4	0:8.1.6-1.el4
`acroread` Red Hat:rhel_extras:5::client From an advisory covering 14 CVEs	before 0:8.1.6-2.el5	0:8.1.6-2.el5
`acroread-plugin` Red Hat:rhel_extras:5::client From an advisory covering 14 CVEs	before 0:8.1.6-2.el5	0:8.1.6-2.el5
`acroread` Red Hat:rhel_extras:5::server From an advisory covering 14 CVEs	before 0:8.1.6-2.el5	0:8.1.6-2.el5
`acroread-plugin` Red Hat:rhel_extras:5::server From an advisory covering 14 CVEs	before 0:8.1.6-2.el5	0:8.1.6-2.el5

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1858 is a high vulnerability (CVSS 9.3) in Adobe Acrobat, published June 11, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.81%, the 95th percentile. No source names a fixed version.

References

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