CVE-2011-0064
The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and…
Does this matter?
Lower severity and a low EPSS score (3.33%). Track it; it rarely justifies an emergency change on its own.
Description
The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via crafted OpenType font data that triggers use of an incorrect index.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 3.33% probability · 88th percentile
- CISA KEV
- Not listed
- Affected
- gnome/pango · mozilla/firefox
- Source
- cve@mitre.org
References
- http://cgit.freedesktop.org/harfbuzz/commit/?id=a6a79df5fe2ed2cd307e7a991346faee164e70d9Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056065.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://secunia.com/advisories/43559Vendor Advisory
- http://secunia.com/advisories/43572Vendor Advisory
- http://secunia.com/advisories/43578Vendor Advisory
- http://secunia.com/advisories/43800
- http://securitytracker.com/id?1025145
- http://www.debian.org/security/2011/dsa-2178
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:040
- http://www.redhat.com/support/errata/RHSA-2011-0309.html
- http://www.securityfocus.com/bid/46632
- http://www.ubuntu.com/usn/USN-1082-1
- http://www.vupen.com/english/advisories/2011/0543Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0555Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0558Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0584
- http://www.vupen.com/english/advisories/2011/0683
- https://bugzilla.mozilla.org/show_bug.cgi?id=606997
- https://bugzilla.novell.com/show_bug.cgi?id=672502
- https://bugzilla.redhat.com/show_bug.cgi?id=678563Patch
- https://build.opensuse.org/request/show/63070Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65770
- http://cgit.freedesktop.org/harfbuzz/commit/?id=a6a79df5fe2ed2cd307e7a991346faee164e70d9Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056065.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://secunia.com/advisories/43559Vendor Advisory
- http://secunia.com/advisories/43572Vendor Advisory
- http://secunia.com/advisories/43578Vendor Advisory
- http://secunia.com/advisories/43800
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.