HOMEVULNERABILITIESCVE-2010-2520
MEDIUM

CVE-2010-2520

CWE-787Published: August 19, 2010· Updated: Jun 16, 2026

5.1
CVSS v3.1

Official Description

Heap-based buffer overflow in the Ins_IUP function in truetype/ttinterp.c in FreeType before 2.4.0, when TrueType bytecode support is enabled, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file.

NVD Source

Technical Analysis

CVE-2010-2520 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:H/Au:N/C:P/I:P/A:P

Affected Vendors & Products

Apple1 product(s)
mac os x
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
freetype1 product(s)
freetype
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=888cd1843e935fe675cf2ac303116d4ed5b9d54b
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=613198
PATCHhttp://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=888cd1843e935fe675cf2ac303116d4ed5b9d54b
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=613198
ADVISORYhttp://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
ADVISORYhttp://lists.nongnu.org/archive/html/freetype/2010-07/msg00001.html
ADVISORYhttp://marc.info/?l=oss-security&m=127905701201340&w=2
ADVISORYhttp://marc.info/?l=oss-security&m=127909326909362&w=2
ADVISORYhttp://secunia.com/advisories/48951
ADVISORYhttp://www.debian.org/security/2010/dsa-2070
ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:137
ADVISORYhttp://www.ubuntu.com/usn/USN-963-1
ADVISORYhttps://savannah.nongnu.org/bugs/?30361
ADVISORYhttp://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
ADVISORYhttp://lists.nongnu.org/archive/html/freetype/2010-07/msg00001.html
ADVISORYhttp://marc.info/?l=oss-security&m=127905701201340&w=2
ADVISORYhttp://marc.info/?l=oss-security&m=127909326909362&w=2
ADVISORYhttp://secunia.com/advisories/48951
ADVISORYhttp://www.debian.org/security/2010/dsa-2070
ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:137
ADVISORYhttp://www.ubuntu.com/usn/USN-963-1
ADVISORYhttps://savannah.nongnu.org/bugs/?30361

All References (24)

→
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=888cd1843e935fe675cf2ac303116d4ed5b9d54bPatch · Third Party Advisory
→
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.htmlMailing List · Third Party Advisory
→
http://lists.nongnu.org/archive/html/freetype/2010-07/msg00001.htmlMailing List · Release Notes · Third Party Advisory
→
http://marc.info/?l=oss-security&m=127905701201340&w=2Mailing List · Third Party Advisory
→
http://marc.info/?l=oss-security&m=127909326909362&w=2Mailing List · Third Party Advisory
→
http://secunia.com/advisories/48951Third Party Advisory
→
http://support.apple.com/kb/HT4435Broken Link
→
http://www.debian.org/security/2010/dsa-2070Third Party Advisory
→
http://www.mandriva.com/security/advisories?name=MDVSA-2010:137Third Party Advisory
→
http://www.ubuntu.com/usn/USN-963-1Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=613198Issue Tracking · Patch · Third Party Advisory
→
https://savannah.nongnu.org/bugs/?30361Exploit · Issue Tracking · Third Party Advisory
→
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=888cd1843e935fe675cf2ac303116d4ed5b9d54bPatch · Third Party Advisory
→
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.htmlMailing List · Third Party Advisory
→
http://lists.nongnu.org/archive/html/freetype/2010-07/msg00001.htmlMailing List · Release Notes · Third Party Advisory

Quick Facts

CVE IDCVE-2010-2520
CVSS Score5.1 / 10
SeverityMEDIUM
WeaknessCWE-787
CISA KEVNo
Affected4 vendor(s)
PublishedAug 19, 2010

Related CVEs (CWE-787)

CVE-2015-0235
10.0
CVE-2004-0574
10.0
CVE-2020-11897
10.0
CVE-2022-30292
10.0
CVE-2004-1287
10.0
CVE-2009-2466
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2010-2520 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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