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CVE-2009-1194

25
FAUCET Score

CVE-2009-1194 describes an integer overflow vulnerability in the pango_glyph_string_set_size function within Pango versions prior to 1.24. This flaw allows context-dependent attackers to trigger a denial of service (application crash) or potentially execute arbitrary code through a heap-based buffer overflow, as demonstrated by a long document.location value in Firefox. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring moderate attack complexity and potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.22CPE matchmatch criteria
cpe:2.3:a:pango:pango:*:*:*:*:*:*:*:*
1.2CPE matchmatch criteria
cpe:2.3:a:pango:pango:1.2:*:*:*:*:*:*:*
1.4CPE matchmatch criteria
cpe:2.3:a:pango:pango:1.4:*:*:*:*:*:*:*
1.6CPE matchmatch criteria
cpe:2.3:a:pango:pango:1.6:*:*:*:*:*:*:*
1.8CPE matchmatch criteria
cpe:2.3:a:pango:pango:1.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.13%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0413 is in the 86th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: pango-0:1.2.5-8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: evolution28-pango-0:1.14.9-11.el4_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: pango-0:1.6.0-14.4_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: pango-0:1.14.9-5.el5_3
View patch

Vendor Advisories (1)

redhatCVE-2009-1194Important

pango: pango_glyph_string_set_size integer overflow

May 7, 2009

References

github.com / bratsche/pango/commit/4de30e5500eaeb49f4bf0b7a07f718e149a2ed5e
lists.opensuse.org / opensuse-security-announce/2009-07/msg00002.html
lists.opensuse.org / opensuse-security-announce/2009-07/msg00005.html
lists.opensuse.org / opensuse-security-announce/2009-08/msg00002.html
osvdb.org / 54279
bugzilla.mozilla.org / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
Exploit
secunia.com / advisories/35018
secunia.com / advisories/35021
secunia.com / advisories/35027
secunia.com / advisories/35038
secunia.com / advisories/35685
secunia.com / advisories/35914
secunia.com / advisories/36005
secunia.com / advisories/36145
exchange.xforce.ibmcloud.com / vulnerabilities/50397
launchpad.net / bugs/cve/2009-1194
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10137
sunsolve.sun.com / search/document.do
debian.org / security/2009/dsa-1798
mozilla.org / security/announce/2009/mfsa2009-36.html
ocert.org / advisories/ocert-2009-001.html
Patch
openwall.com / lists/oss-security/2009/05/07/1
redhat.com / support/errata/RHSA-2009-0476.html
securityfocus.com / archive/1/503349/100/0/threaded
securityfocus.com / bid/34870
securityfocus.com / bid/35758
securitytracker.com / id
ubuntu.com / usn/USN-773-1
vupen.com / english/advisories/2009/1269
vupen.com / english/advisories/2009/1972