CVE intelligence and bounded remediation
CVE-2017-7828 — Debian Debian Linux security vulnerability
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
- Severity
- Critical
- CVSS
- 9.8 (3.0)
- Published
- 2018-06-11
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-416
Affected products
- debian / debian_linux / 7.0
- debian / debian_linux / 8.0
- debian / debian_linux / 9.0
- redhat / enterprise_linux_desktop / 6.0
- redhat / enterprise_linux_desktop / 7.0
- redhat / enterprise_linux_server / 6.0
Showing 6 representative product identities from 15 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.
Matched remediation archetype
Use-after-free, double free, and expired resource use
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Trace ownership, references, callbacks, asynchronous tasks, and teardown paths around the affected object or resource.
- Identify reachable inputs and timing or state transitions that can release the object while references remain.
- Confirm affected builds, allocators, feature flags, architectures, and process privileges.
Remediate safely
- Apply the maintained ownership or lifetime fix and rebuild all artifacts containing the affected native code.
- Use explicit ownership, safe reference management, cancellation and join semantics, and idempotent teardown.
- Add deterministic lifetime tests plus isolated sanitizer and concurrency coverage for shutdown and error paths.
Authoritative sources
Complete CVE record and remediation plan
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