VIR Vulnerability Intelligence Relay

CVE-2013-1677

critical
Published 2013-05-16 · Modified 2026-04-29
CVSS v3
—
CVSS v2
10.0
VIR risk
10.0

Description

The gfxSkipCharsIterator::SetOffsets function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2013/mfsa2013-48.html

Application impact
VendorProductVersionsFixed
mozillafirefox{"endIncluding":"20.0.1"}
mozillafirefox19.0
mozillafirefox19.0.1
mozillafirefox19.0.2
mozillafirefox20.0
mozillafirefox17.0
mozillafirefox17.0.1
mozillafirefox17.0.2
mozillafirefox17.0.3
mozillafirefox17.0.4
mozillafirefox17.0.5
mozillathunderbird{"endIncluding":"17.0.5"}
mozillathunderbird17.0
mozillathunderbird17.0.1
mozillathunderbird17.0.2
mozillathunderbird17.0.3
mozillathunderbird17.0.4
mozillathunderbird_esr17.0
mozillathunderbird_esr17.0.1
mozillathunderbird_esr17.0.2
mozillathunderbird_esr17.0.3
mozillathunderbird_esr17.0.4
mozillathunderbird_esr17.0.5

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.