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Fencer Intel
critical 10.0

CVE-2013-0796 json

The WebGL subsystem in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before…

published 2013-04-03 13 y ago modified 2026-06-16 4 mo ago also EUVD-2013-0807

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.0%
EPSS 8.0% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

The WebGL subsystem in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, and SeaMonkey before 2.17 on Linux does not properly interact with Mesa drivers, which allows remote attackers to execute arbitrary code or cause a denial of service (free of unallocated memory) via unspecified vectors.

Patch / fix

  • mozilla firefox 17.0.5, 20.0
  • mozilla thunderbird 17.0.5
  • mozilla thunderbird_esr 17.0.5
  • mozilla seamonkey 2.17
  • thunderbird RHEL 5 PRODUCTIVITY 17.0.5-1.el5_9
  • thunderbird RHEL 6 17.0.5-1.el6_4
  • firefox RHEL 5 17.0.5-1.el5_9
  • firefox RHEL 6 17.0.5-1.el6_4
  • xulrunner RHEL 5 17.0.5-1.el5_9
  • xulrunner RHEL 6 17.0.5-1.el6_4

red hat advisories RHSA-2013:0697RHSA-2013:0696

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-0796 updated cvss 6.8

Mozilla: WebGL crash with Mesa graphics driver on Linux (MFSA 2013-35)

  • Red Hat Enterprise Linux 5 thunderbird
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) firefox 17.0.5-1.el5_9, xulrunner 17.0.5-1.el5_9 Red Hat Enterprise Linux Desktop (v. 6) firefox 17.0.5-1.el6_4, xulrunner 17.0.5-1.el6_4, thunderbird 17.0.5-1.el6_4 Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner 17.0.5-1.el6_4 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 17.0.5-1.el6_4, xulrunner 17.0.5-1.el6_4 Red Hat Enterprise Linux Server (v. 6) firefox 17.0.5-1.el6_4, xulrunner 17.0.5-1.el6_4 Red Hat Enterprise Linux Server Optional (v. 6) xulrunner 17.0.5-1.el6_4, thunderbird 17.0.5-1.el6_4
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) firefox 17.0.5-1.el6_4, xulrunner 17.0.5-1.el6_4, thunderbird 17.0.5-1.el6_4 Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner 17.0.5-1.el6_4
    fixed: vendor fix RHSA-2013:0696
  • Red Hat RHEL Optional Productivity Applications (v. 5 server) thunderbird 17.0.5-1.el5_9
    fixed: vendor fix RHSA-2013:0697

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

7.95% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=838413 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=827106 referenced PoC, tagged "exploit" by a source, unverified
  • mozilla.org http://www.mozilla.org/security/announce/2013/mfsa2013-35.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.