CVE-2017-5447
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 17%
from disclosure to weapon0 days
Published on NVDJun 11
1st PoCMay 25
exploitation probability
17%top 3% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
public PoCs found — 2✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/42071cve_referencewww.exploit-db.com/exploits/42071/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://access.redhat.com/errata/RHSA-2017:1104https://access.redhat.com/errata/RHSA-2017:1106https://access.redhat.com/errata/RHSA-2017:1201https://bugzilla.mozilla.org/show_bug.cgi?id=1343552https://www.debian.org/security/2017/dsa-3831https://www.exploit-db.com/exploits/42071/https://www.mozilla.org/security/advisories/mfsa2017-10/https://www.mozilla.org/security/advisories/mfsa2017-11/https://www.mozilla.org/security/advisories/mfsa2017-12/https://www.mozilla.org/security/advisories/mfsa2017-13/http://www.securityfocus.com/bid/97940http://www.securitytracker.com/id/1038320