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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.33% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.5% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Critical. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-03-07 20:00Z15 YR AGO
- Last updated
- 2024-08-06 21:43Z2 YR AGO
- Reserved
- 2010-12-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- bb152c23cf0aad77bd4ab8ff5ec251f1886334497d0574273247573455097e1c
05 Affected products
06 References
- www.ubuntu.comUSN-1082-1http://www.ubuntu.com/usn/USN-1082-1
- secunia.com43578http://secunia.com/advisories/43578
- cgit.freedesktop.orghttp://cgit.freedesktop.org/harfbuzz/commit/?id=a6a79df5fe2ed2cd307e7a991346faee164e70d9
- bugzilla.novell.comhttps://bugzilla.novell.com/show_bug.cgi?id=672502
- www.mandriva.comMDVSA-2011:040http://www.mandriva.com/security/advisories?name=MDVSA-2011:040
- www.vupen.comADV-2011-0543http://www.vupen.com/english/advisories/2011/0543
- www.vupen.comADV-2011-0555http://www.vupen.com/english/advisories/2011/0555
- lists.opensuse.orgSUSE-SR:2011:005http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=678563
- www.vupen.comADV-2011-0558http://www.vupen.com/english/advisories/2011/0558
- secunia.com43800http://secunia.com/advisories/43800
- exchange.xforce.ibmcloud.compango-hbbufferensure-bo(65770)https://exchange.xforce.ibmcloud.com/vulnerabilities/65770
- build.opensuse.orghttps://build.opensuse.org/request/show/63070
- www.vupen.comADV-2011-0683http://www.vupen.com/english/advisories/2011/0683
- securitytracker.com1025145http://securitytracker.com/id?1025145
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=606997
- lists.fedoraproject.orgFEDORA-2011-3194http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056065.html
- secunia.com43559http://secunia.com/advisories/43559
- secunia.com43572http://secunia.com/advisories/43572
- www.vupen.comADV-2011-0584http://www.vupen.com/english/advisories/2011/0584
- www.securityfocus.com46632http://www.securityfocus.com/bid/46632
- www.redhat.comRHSA-2011:0309http://www.redhat.com/support/errata/RHSA-2011-0309.html
- www.debian.orgDSA-2178http://www.debian.org/security/2011/dsa-2178
07 Fixed in
Debian 12
- pango1.0 Fixed in 1.28.3-2~sid1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pango1.0 Fixed in 1.28.3-2~sid1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pango1.0 Fixed in 1.28.3-2~sid1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.