Vulnerability · Published Feb 18, 2026 · Assigned by fedora

CVE-2026-1200Remote code execution via segmentation fault in increasebufferto function

Medium 6.3

In plain English

A medium-severity security flaw in rgaufman/live555 from https://github.com/rgaufman/live555. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 68.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A flaw was found in the rgaufman/live555 fork of live555. A remote attacker could exploit a segmentation fault, in the `increaseBufferTo` function. This vulnerability can lead to memory corruption problems and potentially other consequences.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:26.10liblivemediano fix listedUBUNTU-CVE-2026-1200

Affected products (as reported)

VendorProductVersions
https://github.com/rgaufman/live555 rgaufman/live555 0 – before *

Weakness: CWE-824 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References