CVE-2017-5029

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-04-24 · updated 2026-06-17
Weakness: CWE-787

Description

The xsltAddTextString function in transform.c in libxslt 1.1.29, as used in Blink in Google Chrome prior to 57.0.2987.98 for Mac, Windows, and Linux and 57.0.2987.108 for Android, lacked a check for integer overflow during a size calculation, which allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page.

Affected products

Debian Linux: 8.0, 9.0
Google Chrome: through 57.0.2987.75; through 57.0.2987.100
RedHat Enterprise Linux Desktop: 6.0
RedHat Enterprise Linux Server: 6.0
RedHat Enterprise Linux Workstation: 6.0
xmlsoft libxslt: 1.1.29

References

http://rhn.redhat.com/errata/RHSA-2017-0499.html
http://www.debian.org/security/2017/dsa-3810
http://www.securityfocus.com/bid/96767
http://www.securitytracker.com/id/1038157
https://chromereleases.googleblog.com/2017/03/stable-channel-update-for-desktop.html
https://crbug.com/676623
https://git.gnome.org/browse/libxslt/commit/?id=08ab2774b870de1c7b5a48693df75e8154addae5
http://rhn.redhat.com/errata/RHSA-2017-0499.html
http://www.debian.org/security/2017/dsa-3810
http://www.securityfocus.com/bid/96767
http://www.securitytracker.com/id/1038157
https://chromereleases.googleblog.com/2017/03/stable-channel-update-for-desktop.html

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