CVE-2016-1526
The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- EPSS
- 2.25% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-200
- Affected
- debian/debian linux · mozilla/firefox · mozilla/thunderbird · sil/graphite2 · fedoraproject/fedora
- Source
- cret@cert.org
References
- http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
- http://rhn.redhat.com/errata/RHSA-2016-0594.html
- http://rhn.redhat.com/errata/RHSA-2016-0695.html
- http://www.debian.org/security/2016/dsa-3479Third Party Advisory
- http://www.mozilla.org/security/announce/2016/mfsa2016-14.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/82991
- http://www.ubuntu.com/usn/USN-2902-1
- https://security.gentoo.org/glsa/201701-35
- https://security.gentoo.org/glsa/201701-63
- http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
- http://rhn.redhat.com/errata/RHSA-2016-0594.html
- http://rhn.redhat.com/errata/RHSA-2016-0695.html
- http://www.debian.org/security/2016/dsa-3479Third Party Advisory
- http://www.mozilla.org/security/announce/2016/mfsa2016-14.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/82991
- http://www.ubuntu.com/usn/USN-2902-1
- https://security.gentoo.org/glsa/201701-35
- https://security.gentoo.org/glsa/201701-63
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.