pango 1.27 hb_ot_layout_build_glyph_classes memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in pango 1.27. It has been declared as problematic. This impacts the function hb_ot_layout_build_glyph_classes. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2010-0421. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in pango 1.27. It has been rated as problematic. Affected by this issue is the function hb_ot_layout_build_glyph_classes. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. CVE summarizes:

Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout.cc in Pango before 1.27.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted font file, related to building a synthetic Glyph Definition (aka GDEF) table by using this font's charmap and the Unicode property database.

The weakness was released 03/18/2010 by Marc Schoenefeld (Website). The advisory is available at ftp.gnome.org. This vulnerability is handled as CVE-2010-0421. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 68007 (Oracle Linux 3 / 4 / 5 : pango (ELSA-2010-0140)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165223 (SUSE Security Update for Multiple Packages (SUSE-SR:2010:012)).

Upgrading to version 1.27 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (68007), SecurityFocus (BID 38760†), SecurityTracker (ID 1023711†) and Vulnerability Center (SBV-25112†). Entries connected to this vulnerability are available at VDB-52021, VDB-50356, VDB-52680 and VDB-52111. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68007
Nessus Name: Oracle Linux 3 / 4 / 5 : pango (ELSA-2010-0140)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 880374
OpenVAS Name: CentOS Update for evolution28-pango CESA-2010:0140 centos4 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: pango 1.27

Timelineinfo

12/04/2009 🔍
01/27/2010 +53 days 🔍
03/15/2010 +47 days 🔍
03/18/2010 +3 days 🔍
03/18/2010 +0 days 🔍
03/22/2010 +4 days 🔍
07/12/2013 +1208 days 🔍
03/19/2015 +615 days 🔍
05/02/2026 +4062 days 🔍

Sourcesinfo

Advisory: ftp.gnome.org
Researcher: Marc Schoenefeld
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-0421 (🔍)
GCVE (CVE): GCVE-0-2010-0421
GCVE (VulDB): GCVE-100-52226

OVAL: 🔍

SecurityFocus: 38760 - Pango Glyph Definition Table Denial of Service Vulnerability
SecurityTracker: 1023711
Vulnerability Center: 25112 - Pango 1.27.1 Remote DoS Vulnerability via a Crafted Font File, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 05/02/2026 17:46
Changes: 03/19/2015 12:22 (62), 02/22/2017 10:41 (9), 09/05/2021 14:06 (4), 09/05/2021 14:07 (1), 12/08/2024 03:20 (17), 05/02/2026 17:46 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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