CVE-2009-1194

CVE-2009-1194 is a medium-severity vulnerability in Pango with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 4% (90th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Pango
• Published: 2009-05-11
• Last modified: 2026-06-16

Description

Integer overflow in the pango_glyph_string_set_size function in pango/glyphstring.c in Pango before 1.24 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long glyph string that triggers a heap-based buffer overflow, as demonstrated by a long document.location value in Firefox.

Frequently asked questions

What is CVE-2009-1194?

Integer overflow in the pango_glyph_string_set_size function in pango/glyphstring.c in Pango before 1.24 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long glyph string that triggers a heap-based buffer overflow, as demonstrated by a long document.location value in Firefox.

How severe is CVE-2009-1194?

CVE-2009-1194 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-1194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1194?

CVE-2009-1194 primarily affects Pango. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1194?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1194 published?

CVE-2009-1194 was published on 2009-05-11 and last updated on 2026-06-16.

References

• http://github.com/bratsche/pango/commit/4de30e5500eaeb49f4bf0b7a07f718e149a2ed5e
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00002.html
• http://osvdb.org/54279
• http://secunia.com/advisories/35018
• http://secunia.com/advisories/35021
• http://secunia.com/advisories/35027
• http://secunia.com/advisories/35038
• http://secunia.com/advisories/35685
• http://secunia.com/advisories/35914
• http://secunia.com/advisories/36005
• http://secunia.com/advisories/36145
• http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1
• http://www.debian.org/security/2009/dsa-1798
• http://www.mozilla.org/security/announce/2009/mfsa2009-36.html
• http://www.ocert.org/advisories/ocert-2009-001.html
• http://www.openwall.com/lists/oss-security/2009/05/07/1
• http://www.redhat.com/support/errata/RHSA-2009-0476.html
• http://www.securityfocus.com/archive/1/503349/100/0/threaded
• http://www.securityfocus.com/bid/34870
• http://www.securityfocus.com/bid/35758
• http://www.securitytracker.com/id?1022196
• http://www.ubuntu.com/usn/USN-773-1
• http://www.vupen.com/english/advisories/2009/1269
• http://www.vupen.com/english/advisories/2009/1972
• https://bugzilla.mozilla.org/show_bug.cgi?id=480134
• https://bugzilla.redhat.com/show_bug.cgi?id=496887
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50397
• https://launchpad.net/bugs/cve/2009-1194

Affected products (11)

• cpe:2.3:a:pango:pango:*:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.4:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.6:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.8:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.10:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.12:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.14:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.16:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.18:*:*:*:*:*:*:*
• cpe:2.3:a:pango:pango:1.20:*:*:*:*:*:*:*

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