CVE-2018-5159 EXPLOIT
9.8
CRITICAL · CVSS 3.0 · EPSS 21% (pctl 98)
Patch early
A public exploit exists.
Description
An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 21.04% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-06-11 |
| Last modified | 2026-06-17 |
Affected (11)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| mozilla | firefox |
| mozilla | thunderbird |
| mozilla | thunderbird esr |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux server tus |
| redhat | enterprise linux workstation |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Skia and Firefox - Integer Overflow in SkTDArray Leading to Out-of-Bounds Write | 2018-05-25 |
References
- http://www.securityfocus.com/bid/104136
- http://www.securitytracker.com/id/1040896
- https://access.redhat.com/errata/RHSA-2018:1414
- https://access.redhat.com/errata/RHSA-2018:1415
- https://access.redhat.com/errata/RHSA-2018:1725
- https://access.redhat.com/errata/RHSA-2018:1726
- https://bugzilla.mozilla.org/show_bug.cgi?id=1441941
- https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
- https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3645-1/
- https://usn.ubuntu.com/3660-1/
- https://www.debian.org/security/2018/dsa-4199
- https://www.debian.org/security/2018/dsa-4209
- https://www.exploit-db.com/exploits/44759/
- https://www.mozilla.org/security/advisories/mfsa2018-11/
- https://www.mozilla.org/security/advisories/mfsa2018-12/
- https://www.mozilla.org/security/advisories/mfsa2018-13/
- http://www.securityfocus.com/bid/104136
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