critical
10
CWE
119
Advisory Published
CVE Published
Updated

CVE-2017-7376: Buffer Overflow

First published: Mon Jun 05 2017(Updated: )

Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects.

Credit: an anonymous researcher cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/libxml2
2.9.4+dfsg1-7+deb10u4
2.9.4+dfsg1-7+deb10u6
2.9.10+dfsg-6.7+deb11u4
2.9.14+dfsg-1.3~deb12u1
2.9.14+dfsg-1.3
redhat/libxml2<2.9.5
2.9.5
tvOS<11
11
macOS High Sierra<10.13
10.13
macOS High Sierra<10.13.1
10.13.1
macOS High Sierra
Apple El Capitan
Apple iOS, iPadOS, and watchOS<11
11
Apple iOS, iPadOS, and watchOS<4
4
Apple iCloud<7.0
7.0
Android
libxml2-devel<2.9.5
Android=4.4.4
Android=5.0.2
Android=5.1.1
Android=6.0
Android=6.0.1
Android=7.0
Android=7.1.1
Android=7.1.2
Debian=8.0
Debian=9.0
iTunes<12.7
12.7

Remedy

https://android.googlesource.com/platform/external/libxml2/+/51e0cb2e5ec18eaf6fb331bc573ff27b743898f4

Remedy

https://git.gnome.org/browse/libxml2/commit/?id=5dca9eea1bd4263bfa4d037ab2443de1cd730f7e

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2017-7376?

    CVE-2017-7376 is a buffer overflow vulnerability in libxml2 that allows remote attackers to execute arbitrary code.

  • How severe is CVE-2017-7376?

    CVE-2017-7376 has a severity rating of 9.8, which is classified as critical.

  • Which software versions are affected by CVE-2017-7376?

    CVE-2017-7376 affects libxml2 versions up to but not including 2.9.5.

  • How can I fix CVE-2017-7376?

    To fix CVE-2017-7376, update to libxml2 version 2.9.5 or later.

  • Where can I find more information about CVE-2017-7376?

    You can find more information about CVE-2017-7376 at the following references: [link1](https://support.apple.com/en-us/HT208113), [link2](https://bugzilla.gnome.org/show_bug.cgi?id=780690), [link3](https://security-tracker.debian.org/tracker/CVE-2017-7376).

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