CVE-2017-12963

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published: Aug 18, 2017
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

CVE-2017-129647.5There is a stack consumption issue in LibSass 3.4.5 that is triggered in the function Sass::Eval::operator() in eval.cpp. It will lead to a CVE-2017-129659.8Session fixation vulnerability in Apache2Triad 1.5.4 allows remote attackers to hijack web sessions via the PHPSESSID parameter.CVE-2017-129666.5The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of ser CVE-2017-129676.5The getsym function in tekhex.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, allows remote CVE-2017-129698.8Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to c CVE-2017-12977.3IBM DB2 for Linux, UNIX and Windows 9.2, 10.1, 10.5, and 11.1 (includes DB2 Connect Server) is vulnerable to a stack-based buffer overflow, CVE-2017-129708.8Cross-site request forgery (CSRF) vulnerability in Apache2Triad 1.5.4 allows remote attackers to hijack the authentication of authenticated CVE-2017-129716.1Cross-site scripting (XSS) vulnerability in Apache2Triad 1.5.4 allows remote attackers to inject arbitrary web script or HTML via the accoun CVE-2017-129727.5In Nimbus JOSE+JWT before 4.39, there is no integer-overflow check when converting length values from bytes to bits, which allows attackers CVE-2017-129733.1Nimbus JOSE+JWT before 4.39 proceeds improperly after detection of an invalid HMAC in authenticated AES-CBC decryption, which allows attacke CVE-2017-129747.5Nimbus JOSE+JWT before 4.36 proceeds with ECKey construction without ensuring that the public x and y coordinates are on the specified curve CVE-2017-129768.8git-annex before 6.20170818 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostn